Hip-Hop for Musicians: Where It Came From, Boom-Bap and Trap Beats, Rhyme, Flow and Sampling

By Tissimo Team

Published October 18, 2026

On August 11, 1973, in the recreation room of an apartment building at 1520 Sedgwick Avenue in the Bronx, Cindy Campbell threw a "Back to School Jam", and her brother Clive, known as DJ Kool Herc, played the records. That is the date and place a 2023 U.S. Senate resolution gives for the start of hip-hop. What Herc did with his records is still the core of most hip-hop beats: he took the few seconds where a funk band dropped out and the drums played, and he made them repeat.

This guide follows that idea from the Bronx to your laptop. You will count and program a boom-bap groove and a half-time trap groove, write rhymes in two schemes, rap the same words in three flows, learn the legal basics of sampling, and build a first beat. Every rhythm skill has a free Tissimo worksheet to go with it.

Where hip-hop came from

The Senate resolution, S. Res. 305, is a commemorative text rather than a history book, so treat 1973 as the date usually given. It describes the party's elements: a DJ and an MC who together "engaged the crowd with rap on the microphone", dancers it calls B-boys and B-girls, and art. The Rock & Roll Hall of Fame, which inducted Herc in 2023, says the Jamaican-born DJ brought sound-system "toasting" (talking over records on a microphone) from his homeland and credits him with "the break".

Front of a tall tan brick apartment building with rows of balconies against a blue sky, trees in the foreground: 1520 Sedgwick Avenue in the Bronx

1520 Sedgwick Avenue in the Bronx, photographed in 2009. The Senate resolution places the August 1973 party in the building's recreation room. Image: Bigtimepeace, public domain, via Wikimedia Commons.

Records followed within a few years. "Rapper's Delight" by the Sugarhill Gang (1979) was not the first rap song, as the Library of Congress's registry essay on the song notes, but it reached No. 36 on the Billboard Hot 100. It was built on the bass line of Chic's "Good Times", and Chic's Nile Rodgers and Bernard Edwards later received writing credit. "The Message" by Grandmaster Flash and the Furious Five (1982) peaked at No. 62. Its registry essay says the group had worried about its "slowed-down beat and serious subject matter", social commentary about city life. In 1986 Run-DMC's "Walk This Way", with Aerosmith, reached No. 4, "the first rap record ever to crack into 'Billboard's' Top Five", according to the Library's essay on the album Raising Hell.

Two-column timeline of twelve dated entries from 1973 to 2026, from the Back to School Jam at 1520 Sedgwick Avenue through Rapper's Delight, the TR-808, The Message, Walk This Way, the Golden Age, the first rap Grammy, the Bridgeport and VMG court cases, trap in the 2010s, the 50th anniversary and Amen, Brother entering the National Recording Registry

Twelve dates from this guide, each checked against a source named in the text. The 1986–1996 "Golden Age" is the span Duinker and Martin studied.

In 1989 the Grammys added a rap award and Billboard started a rap singles chart (today's Hot Rap Songs). Music theorists Ben Duinker and Denis Martin call 1986 to 1996 the Golden Age and measured 100 of its tracks: the yearly average tempo trends downward, from a high of 112.71 beats per minute in 1986 to a low of 87 in 1995. In the South, producers turned the long kick drum of Roland's TR-808 drum machine into a bass line. Roland's own history says the style "now called trap" exploded in the 2010s with the 808 bass in every variety, and Duinker describes trap as Atlanta-centered, known for "sparse, slow beats". On May 14, 2026, the Library of Congress added the Winstons' 1969 drum break "Amen, Brother" to its National Recording Registry.

The break: why a hip-hop beat is a loop

A break is the moment in a record when the singer and most of the band stop and the drums (sometimes with bass or percussion) carry on alone, often for a bar or two. Dancers loved those seconds, and they were over too soon. The Rock Hall describes Herc's answer: "two turntables and a mixer to isolate and loop" the beats. With two copies of the same record, one plays the break while the DJ cues the other back to the start; then the DJ switches over and repeats.

Diagram of two turntables labeled Deck A and Deck B feeding a mixer with a crossfader, numbered steps: 1 break plays on A, 2 switch over to B, 3 while B plays cue A back to the start of the break, 4 switch back to A and repeat

Two copies of one record make a loop: while one deck plays the break, the other is cued back to its first beat.

The Library of Congress essays name some of the breaks DJs and producers reused: the Honey Drippers' "Impeach the President", Bob James's "Take Me to Mardi Gras", the opening two measures of Aerosmith's "Walk This Way", and the six-second "Amen" break played by Gregory Coleman, "what may be the most sampled musical riff in history". We name them here and don't transcribe them; listen to the records.

DJ Kool Herc in a white long-sleeved shirt, glasses, headphones and cap, looking down at something in his hand, with a man holding a video camera beside him at an event in the Bronx

DJ Kool Herc at an event about the West Indian roots of hip-hop in Hunts Point, the Bronx, in February 2009. Image: Bigtimepeace, public domain, via Wikimedia Commons.

A short pattern that repeats while other music changes above it has a name: an ostinato. Our Ostinato handout says it plainly: "every looped bass line in pop music is an ostinato too". A hip-hop beat is the same idea built from drums.

The boom-bap groove

"Boom bap" is a name for the hard, bass-heavy drum sound of late-1980s and 1990s hip-hop; the Library of Congress essay on A Tribe Called Quest's The Low End Theory (1991) uses it for that album's low end. Open Music Theory says the boom-bap beat rests on the same kick–snare alternation as a basic rock beat; the groove below is an original example of the typical ingredients: a heavy kick (the boom), a snare on beats 2 and 4 (the bap), and a hi-hat keeping eighths. Open Music Theory notes that "in hip hop and electronic music, it's common to replace snare hits with hand claps or finger snaps." Set it at 90 beats per minute, inside the Golden Age range and inside Ableton's "typical" hip-hop range of 60 to 100.

Drum notation of two bars at 90 beats per minute, hi-hat x noteheads above the staff on every eighth, snare in the third space on beats 2 and 4, kick in the bottom space with rests, and below it two 16-step grids with the same hits filled in cyan

An original boom-bap groove in drum notation and as 16-step grids. Bar 1: kick on 1, the "a" of 2 and the "&" of 3. Bar 2 adds a kick on the "&" of 1 and an extra snare on the last "a".

Count it out loud first, in sixteenths: "1 e & a 2 e & a". The kick on the "a" of 2 is the one that makes the groove lean; it is the last sixteenth before beat 3. If "1 e & a" is new, our Sixteenth Note handout explains it, and Write the counts 2 gives you a box under every note to write its count in, rests in parentheses. The empty boxes in the kick row are rests, and the Rests and Rest Family handouts show every one. A kick between the beats is syncopation, "when the accent lands where the beat is not", as our Syncopation sheet puts it.

Now the secret ingredient: swing. Roger Linn, who designed the LinnDrum and the Akai MPC60, explained his drum machines' swing in a 2013 interview: "I merely delay the second 16th note within each 8th note." At 50% there is no swing; at 66% the late note falls on a triplet. He adds that "a 90 BPM swing groove will feel looser at 62%", and that 54% loosens a straight beat "without it sounding like swing".

Diagram of one beat at four swing settings, 50, 54, 62 and 66 percent: dark dots on the beat and the "&" stay put while cyan dots for the "e" and "a" move later, reaching a dashed two-thirds line at 66 percent

Swing moves only the "e" and the "a": at each setting the late sixteenth starts at that percentage of an eighth note. Positions computed from Roger Linn's definition.

You already know this idea one level up. Our Swing Eighths handout swings eighth notes, long–short, as jazz and blues do; a drum machine applies the same long–short split to each pair of sixteenths. At 66% each pair is a triplet's two-plus-one, which is why the Triplets handout helps here too. Hi-hats sound more human with a few louder hits: in notation that is an accent mark, the "strong start" on our Fermata, Tenuto & Accent sheet.

Front panel of a Roland TR-808 Rhythm Composer drum machine with rows of knobs and a row of sixteen colored step buttons numbered along the bottom

The Roland TR-808 (made 1980–1982). Its row of 16 colored buttons is a 16-step grid like the ones under the boom-bap groove. Photo: Brandon Daniel, derivative by Clusternote, CC BY-SA 2.0, via Wikimedia Commons (cropped).

The trap groove: half-time and the 808

Trap often runs at a fast count with a slow feel. Open Music Theory calls it a half-time feel when the backbeat moves at half the speed of the beat you count. In the half-time groove below, the metronome says 140, but the clap lands only on beat 3, so the backbeat moves like a groove at 70. This is the difference between the meter you count and the beat you feel, the subject of our article on rhythm and meter.

Drum notation of one bar at 140 beats per minute marked half-time feel: hi-hat eighths on beats 1 to 3 and two bracketed sixteenth-note triplets in beat 4, a clap on beat 3, kicks on 1, the "a" of 1 and the "&" of 3, with a step grid below whose bottom row splits beat 4 into six triplet cells

An original half-time groove at 140: clap on beat 3 only, kick on 1, the "a" of 1 and the "&" of 3, and a burst of sixteenth-note triplets in the hi-hat in beat 4.

The kick's first two hits make a dotted eighth plus a sixteenth, the skipping "LONG-short" of our Dotted Eighth + Sixteenth handout. The hi-hat burst in beat 4 is one idea to try, not a rule of the style: six even hits in one beat, three in the time of two sixteenths, twice. Linn built a "note repeat" feature (also called roll) into his drum machines so a player could hold a pad and record fast repeated hi-hats. Switching from counting sixteenths to triplets inside one beat takes the same steady inner pulse as our Polyrhythms handout, where one hand plays triplets while the other plays eighths. Practice with a click at a slow tempo first, as Tempo & the Metronome recommends, and check the bar adds up to the four beats of 4/4 on Time Signatures I.

Trap's bass is the 808. Roland's history describes Southern producers using 808 kick samples and synths "to make 808-style sounds to use as basslines". The 808 line below shows the practical result: every kick is also a bass note.

Two staves: a one-line kick staff with the trap kick rhythm repeated for two bars, and below it an 808 bass line in bass clef with a small 8 under the clef, A, A, C in bar 1 and F, F, E in bar 2, each held with ties until the next kick

An original 808 line: each note starts with a kick and rings until the next one. The small 8 under the bass clef means the notes sound an octave lower than written, down around 41 to 65 Hz.

The loop on top: samples, keys and layers

A beat is layers: drums, bass, a loop on top, the voice, and a hook. That is homophony, "a tune with support", in the words of our Texture handout. Hip-hop loops often circle on one or two chords; our guide to chord progressions in popular music covers famous examples.

Grand staff at 90 beats per minute: right-hand chords E-G-C for Am7 and F-A-C for Dm7 on beat 1, the "&" of 2 and the "&" of 3, and left-hand A and D on the boom-bap kick rhythm, with the chord's 7th, G or C, on the "a" of 2

An original two-bar keys loop, Am7 to Dm7. The right hand's top note, C, stays put; the bass plays the kick rhythm of bar 1 of the boom-bap groove, dipping to the chord's 7th on the "a" of 2.

Minor chords give a darker color than major, as Major & minor shows, and a minor 7th chord adds one more third on top. Our Minor 7th handout calls the result mellow and "happy to keep moving", which is why two of them can loop for a whole verse. Play the keys loop with the boom-bap drums and you have a beat. For a hook on top, the five notes of the major or minor pentatonic on our Pentatonic & Blues Scales sheet are a safe place to start.

Rhyme schemes

Some plain definitions first. An end rhyme falls on the last syllable of a line. A couplet is two lines that rhyme with each other, and AABB means two couplets in a row: the letters name the rhyme sounds. An internal rhyme falls inside a line. A multisyllabic rhyme matches more than one syllable ("ticking" and "kicking"). Music theorist Kyle Adams adds slant rhyme, where one syllable of a multisyllabic rhyme is changed.

Adams found that early-1980s rap often placed rhymed couplets "on or near successive fourth beats", while later rappers scatter multisyllabic and internal rhymes and let sentences run across the bar line. He charts verses in a lyric grid, each bar a row of 16 boxes, one per sixteenth note. Here is that grid with four original lines written twice.

Lyric grid of four bars written twice, each bar a row of 16 boxes counted 1 e & a: version 1 has the rhymes floor, more, knee and me in box 13 on beat 4; version 2 shades tick-ing, kick-ing and stick-ing as A, knee and me as B, and clap it, tap it and map it as C

Same letter, same tint, same rhyme sound. Version 1 rhymes only on beat 4; version 2 adds rhymes inside the bar and runs bar 3 into bar 4.

Now hear the difference, starting with version 1:

Rhythm on a one-line staff at 90 beats per minute, four bars, each with four eighths, four sixteenths and a quarter note on beat 4, with the lyrics Metronome is ticking on the floor, count it, clap it, play it, then one more, bus is late, I tap it on my knee, sixteen steps, and every one for me, and the counts under them

Version 1 in rhythm: every bar has the same rhythm, and each rhyme (floor, more, knee, me) lands on beat 4.

Version 2 moves the rhymes around the bar:

Rhythm on a one-line staff at 90 beats per minute, four bars of mostly sixteenths and eighths with the lyrics Metronome is ticking and the kick is kicking, clap it on the two, then tap it till it's sticking, bus is late, so I count on my knee, and I map it in sixteen boxes, one for me, and the counts under them

Version 2 in rhythm: two-syllable rhymes start on every beat of the bar somewhere in the verse, and a sentence carries over the bar line into bar 4.

Rap these over the boom-bap groove and you will hear why version 1 sounds older: you can predict every rhyme. Version 2 keeps you guessing. Counting each syllable's box is exactly the skill in Write the counts 2, and a rhyme between the beats is syncopation in words.

Flow: where the words land

Adams quotes the theorist Adam Krims's definition of flow: "an MC's rhythmic delivery". Adams breaks it into four choices you can make on purpose:

where the rhyming syllables fall in the bar;
where the accented (stressed) syllables fall;
whether sentences end with the bar or run across it;
how many syllables you fit into each beat.

He adds articulation: smooth or clipped, and early or late against the beat. Mitchell Ohriner notes that rappers and critics think of the bar as 16 slots, the same 16 sixteenths as the grid. The Rock Hall credits Run-DMC with popularizing call-and-response vocals, "finishing each other's lines".

Here is the lesson in three figures: the same words, three flows. The words come from Peter Piper's Practical Principles of Plain and Perfect Pronunciation, a tongue-twister book thought to have been first published in London in 1813 (we use an 1836 American edition); the Library of Congress essay on Raising Hell calls Run-DMC's "Peter Piper" a rewrite of the old nursery rhyme.

One-line staff rhythm at 90 beats per minute: Peter Piper picked a peck of pickled Peppers in eighth notes over a bar and a half, accent marks on every beat, then a half rest

Flow 1: eighth notes, every stressed syllable on a beat. Steady, and a little stiff.

Now start early and push the stresses off the beat.

One-line staff rhythm at 90 beats per minute starting with a two-sixteenth pickup on Pe-ter, then syncopated eighths and sixteenths with accents on picked, peck and pick between the beats, a quarter rest at the end of bar 1 and a half rest in bar 2

Flow 2: a pickup before beat 1, the accented stresses pushed between the beats, and rests that let the beat breathe.

Last, squeeze three syllables into every beat.

One-line staff rhythm at 90 beats per minute: the same twelve syllables as eighth-note triplets, three per beat in one bar, counted 1 T L, with accents on Pe, Pi, picked, peck, pick and Pep

Flow 3: triplet flow, three syllables per beat. The whole line fits in one bar, and the stresses fall on a different note of each triplet.

Flow 2 starts before the bar, a pickup, explained on our Pickup Notes handout; its silences are rests. Flow 3 uses "1-trip-let" counting from Write the counts 3 and the Triplets handout. Duinker's 2019 study calls triplet flow "one of the most aurally salient features of contemporary hip hop" and ties its popularity to trap's slow beats; Ohriner wrote that in 2018 it was "having a moment".

Rap verses come in bars too. Duinker's study of song form says hip-hop songs alternate verses and hooks, and quotes Michael Berry: "the 16-measure verse has become the standard length". Hooks repeat, and over time more of them were sung. A hook works like the motif on our Motif and sequence handout: a short idea that comes back.

Form map of an 80-bar song in blocks: intro 4 bars, verse 16, hook 8, verse 16, hook 8, verse 16, hook 8, outro 4

One common verse–hook plan, not a rule. The Library of Congress essay on "The Message" counts its verses at 8, 11, 13, 16 and 28 measures.

A 16-bar verse is four 4-bar phrases, the unit on our Phrase and period handout, and the letters for sections come from Musical form. To train your ear, clap rhythms back with Ear Training: Rhythm Dictation; our guide to playing by ear has a rhythm drill built on it.

Sampling and the law: the basics

This section describes U.S. law in plain words; it is not legal advice. If you plan to release music with samples, talk to a music lawyer or a clearance service.

Almost every record you hear carries two copyrights. The U.S. Copyright Office explains that a musical composition (the music and lyrics) and a sound recording are "two separate works for copyright purposes". Its Circular 73 says that "licenses generally must be obtained separately from the copyright owners of the sound recording and the underlying musical composition." A sample copies both, so you need permission from both owners.

Infographic titled Two owners in every record: a card labeled The song, music and lyrics, songwriters and publisher, plus a card labeled The recording, the sounds on the record, artist and label, above a banner reading A sample needs permission from both

Two copyrights, two permissions. Who owns each one varies; the labels on the cards are the usual case.

Covers are different. The law has a compulsory license that lets anyone record a published song if they follow its rules, but Circular 73 states that it "does not cover sound recordings". There is no compulsory license for a sample.

Replaying a part instead of sampling it is sometimes called interpolation. The recording copyright does not cover "an independent fixation of other sounds, even though such sounds imitate or simulate those in the copyrighted sound recording", as the federal statute quoted in the Bridgeport opinion puts it. The song itself still belongs to its writers, so a replayed melody or riff still needs the composition owner's permission.

The court cases, in order:

Grand Upright Music v. Warner Bros. Records (federal court, Southern District of New York, 1991). Biz Markie's "Alone Again" used three words and part of the recording of Gilbert O'Sullivan's "Alone Again (Naturally)". The judge opened with "Thou shalt not steal", granted a preliminary injunction and referred the matter to the U.S. Attorney for possible prosecution.
Campbell v. Acuff-Rose Music (U.S. Supreme Court, 1994). 2 Live Crew's commercial parody of Roy Orbison's "Oh, Pretty Woman" "may be a fair use". This was a parody of a song, not a sampling case.
Bridgeport Music v. Dimension Films (6th Circuit Court of Appeals, 2005). A two-second guitar sample, pitched down and looped to 16 beats in N.W.A's "100 Miles and Runnin'", could not be excused as too small to matter. The court wrote: "Get a license or do not sample." It did not decide fair use.
VMG Salsoul v. Ciccone (9th Circuit, 2016). A 0.23-second horn hit in Madonna's "Vogue" was too small to count, because a general audience would not recognize it. The court said it was "disagreeing with the Sixth Circuit".

So two federal appeals courts disagree about very short samples. The Library of Congress essay on De La Soul's 3 Feet High and Rising adds a cautionary tale: an uncleared Turtles sample led to a lawsuit that, the essay says, cost more than $100,000 in damages. And the "under two seconds is fine" rule is a myth. Fair use is decided case by case, and the Copyright Office says "there is no formula" for an amount you may use without permission.

What a student can do: make your own sounds (record yourself, play the keys, build your own breaks), use sample packs only after reading their license, and clear anything you release.

Build a beat in a DAW

Our article Is Ableton Live good for beginners? shows how to set up Live, load a Drum Rack and program a 16-step beat. Start there; these steps add what is specific to hip-hop, with Live 12 as the example.

Set the tempo to 90 for boom-bap or 140 for trap, and make a two-bar clip.
Program the boom-bap or the half-time groove in a Drum Rack, one row per drum.
Add swing. Live's Groove Pool applies a groove to a clip, with Timing, Random and Velocity controls and a global Amount; Extract Groove copies the feel of any clip. Try a little at first, as Linn's 54% suggests.
Make the loop on top: play the keys loop, or record your own sample, warp it in Beats mode and chop it with Simpler's Slicing mode (by transient, beat, region or by hand) or "Slice to Drum Rack".
Make an 808: load a long kick sample into Simpler and play it as a bass line in the key of your loop, as in the 808 line above.
For a hi-hat roll, set the grid to 1/16, then press Ctrl+3 (Cmd+3 on a Mac) to switch it to sixteenth-note triplets, and draw the burst.
Arrange: a 4-bar intro, a 16-bar verse, an 8-bar hook, and repeat.
Export, then rap your four bars over it.

Schematic of a one-bar loop cut into eight numbered slices, one per eighth note, with lines showing them rearranged into the order 1, 2, 1, 3, 5, 5, 7, 8

Chopping: slice your own loop, then play the slices in a new order. Repeating slices 1 and 5 already makes a new groove.

Drummers can play the grooves on a kit, and pianists can play the keys loop and the 808 line on a keyboard.

A 15-minute beat-and-flow routine

3 minutes: count and clap the boom-bap groove at 90, saying "1 e & a". Start slower if you need to and raise the metronome a few clicks at a time, the slow-to-fast ramp on our How to practice handout.
3 minutes: clap the half-time groove at 140 and feel it in half-time: nod on beats 1 and 3 only, so the clap lands on every second nod.
4 minutes: rap the Peter Piper line in all three flows over a click.
5 minutes: write four original bars in AABB with the rhymes on beat 4, then rewrite them with internal rhymes.

Fifteen minutes a day: two grooves, three flows and four bars of your own.

Free worksheets for every step

The Sixteenth Note — "1 e & a", four notes to a beat.
Write the counts 2 — count sixteenths and rests on paper.
Write the counts 3: triplets & ties — "1 T L" counting and syncopation with ties.
The Dotted Eighth + Sixteenth — the long–short skip in one beat.
The Rests — quarter, half and whole rests.
The Rest Family — all five rests, whole to sixteenth.
Syncopation — the accent where the beat is not.
Swing Eighths — written even, played long–short.
Triplets — three in the time of two.
Polyrhythms — three against two.
Time Signatures I: Simple Time — what 4/4 means.
Tempo & the Metronome — beats per minute and a practice ramp.
Fermata, Tenuto & Accent — the accent mark.
Ear Training: Rhythm Dictation — clap it back, then write it.
Pickup Notes — starting before beat 1.
Phrase and period — four-bar phrases.
Musical form — letters for sections.
Motif and sequence — a short idea that comes back.
The Ostinato — the loop under everything.
Texture — a tune with support.
Major & minor — two colors of home.
The minor 7th — the chord in the keys loop.
The Pentatonic & Blues Scales — notes for a hook.
How to practice — the slow-to-fast metronome ramp.

Where to go next

Hip-hop rests on things you can practice today: a loop, a groove counted in sixteenths, rhymes placed in a 16-box bar, and a voice that chooses where to land. Count the boom-bap groove until the "a" of 2 feels natural, then write your four bars. If counting is new, the rhythm block of our music theory for beginners guide starts at the beat. A Tissimo music production teacher, voice teacher or drum teacher can check your timing against the click, your flow or your drum programming in a live lesson.

Sources

Read this article online: https://tissimo.co/articles/hip-hop-for-musicians-where-it-came-from-boom-bap-and-trap-beats-rhyme-flow-and-sampling