How to Write a Country Song: Storytelling, Three Chords, the Nashville Number System and the Boom-Chick

Harlan Howard, routinely described as the "dean" of country songwriters, once summed up country music in four words: "three chords and the truth." That is the whole plan of this article. The truth is a story told with real, concrete details. The three chords are the chords built on the 1st, 4th and 5th notes of the scale, the primary chords I, IV and V. You will learn where the style comes from, how to write a verse that tells a story, how session players write chords as numbers, how to play the boom-chick, the country waltz and the train beat, and how to put it all together into a 16-bar song of your own in G. Everything works on piano and guitar.

Where country songwriting comes from

Country songwriting grew up with records and radio in the 1920s. In Nashville, radio station WSM launched its WSM Barn Dance on November 28, 1925, with a 77-year-old fiddler, Uncle Jimmy Thompson. In December 1927 the announcer George D. Hay told listeners that after an hour of music taken largely from grand opera, they would now hear the "Grand Ole Opry," and the name stuck.

Six dates behind country songwriting. The number system is dated "the late 50's" by one source and "the mid-1950s" by another, so it appears here simply as the 1950s.

In the summer of 1927, Ralph Peer of the Victor company set up recording sessions in Bristol, on the Tennessee-Virginia line. The local museum calls those sessions the "big bang of country music," and in 1998 the U.S. Congress named Bristol the "birthplace of country music."

The state line runs down the middle of State Street in Bristol, Tennessee and Virginia. Photo: Jason Riedy, CC BY 2.0, via Wikimedia Commons (cropped).

Two of its biggest discoveries were Jimmie Rodgers and the Carter Family. Rodgers, "the Singing Brakeman," built his style from southern folk songs, early jazz, yodeling, the work chants of Black railroad crews and, in the Hall of Fame's words, "most importantly, African American blues" (blues players still build songs on the same three chords; see The 12-Bar Blues). The Carter Family, "The First Family of Country Music" to the Hall of Fame, sang the songs A. P. Carter collected and arranged, and Maybelle Carter developed the "thumb-brush" guitar style you will meet below.

Two of the great discoveries of the 1927 Bristol sessions: the Carter Family (A. P., Sara and Maybelle, in a portrait from about 1930) and Jimmie Rodgers in 1931. Images: Victor publicity portraits, public domain, via Wikimedia Commons.

Two decades later, Hank Williams "set the agenda for contemporary country songcraft," says the Hall of Fame; his recording of "Lovesick Blues" reached No. 1 in May 1949. By the late 1950s Nashville was growing into a major recording center, with RCA Studio B (built in 1957) among its best-known rooms, where session players worked fast from a shorthand chord chart you will learn below. And in Memphis, Johnny Cash, backed by Luther Perkins on electric guitar and Marshall Grant on upright bass, built what the Hall of Fame calls a "trademark rhythm-based sound": proof that a few chords and a strong groove can carry a great story.

Tell a story: the lyric craft

The music theorist Jocelyn Neal has written that in country songs, "musical form and harmonic structure often become functional contributors to a song's story." She defines a "Time-Shift" narrative paradigm. In songs built this way, the verses jump to different points in a life. You do not need a degree to use it. Here are four tools, each shown with lines from a short story song we wrote for this article.

A story map for our example song: three verses at three points in time, and one chorus line that means something new after each.

1. A person and a place, right away

Put a character and a location in the first two lines, so the listener can see the scene before the first chorus. Our verse opens: "Saturday night on the porch by the door, / Grandpa's old radio set on the floor." In fifteen words you know who, where and when.

2. Things, not feelings

Instead of writing "I loved those nights," show an object that holds the feeling: a boot tapping, a radio dial, a porch light. "Tapping his boot to the Opry's slow song" tells the listener Grandpa was happy without saying so. A good test: could a camera film your line? If not, find the detail that a camera would see.

3. A chorus line that turns

Choose one short title line and let the verses change what it means. Our chorus ends on "and the radio played on." After verse 1 (then), it is a happy Saturday ritual. After verse 2 (now), Grandpa is gone but his old radio still plays in the truck: the line becomes a memory. After verse 3 (later), the singer's daughter hears the same songs on the same kind of porch: the line becomes a promise. Same words, three meanings. That turn is what makes listeners lean in on the last chorus. Each new verse only has to move the clock and keep the objects: verse 2 might open "Twenty years later, out driving at night, / his radio rides in the dashboard light." The radio, the night and the music come back, so the listener follows the jump in time without being told.

4. Plain words, rhymes on the strong beats

Good country lyrics often sound like someone talking. Use short, everyday words and put the rhyme on the last strong beat of the line (door / floor, song / along), where the melody lands on a long note. Then sing the line out loud over the beat; if a word is stressed in the wrong place ("ra-DI-o"), move it. Our verse rhymes in pairs (AABB): lines 1 and 2, then 3 and 4. Another common choice rhymes only lines 2 and 4 (ABCB), which gives you more freedom in lines 1 and 3. Pick one plan and keep it for every verse, so the listener hears where each line will land.

A public-domain example shows the same thinking. "Keep on the Sunny Side" (words by Ada Blenkhorn, music by J. Howard Entwisle, 1899) opens with a pair of images: "There's a dark and a troubled side of life; There's a bright and a sunny side, too." Two sides, one choice, and the title in the chorus answers it. The Carter Family recorded it in 1928, and the Hall of Fame calls it their theme song.

Before you write a note of music, check your verse against these five points.

The three-chord tradition: I, IV and V in a real song

In any major key, the chords on the 1st, 4th and 5th notes are home, a gentle step away, and the chord that pulls you home (the tonic and dominant sheet explains why). Musicians write them as roman numerals, I, IV and V, or as plain numbers, 1, 4 and 5. In G they are G, C and D; in C they are C, F and G. Adding a 7th to the 5 chord (the dominant 7th, D7 in G) makes the pull home even stronger. Learn the shapes in figure 1 first; they barely move your hand.

The primary chords in close shapes: in G as on the Chords & Progressions in G sheet, in C as on Primary Chord Patterns. From I, each change moves every finger a step or not at all.

Now a real song. "Will the Circle Be Unbroken?", with words by Ada R. Habershon and music by Charles H. Gabriel, dates from 1907. We transcribed the chorus note by note from a hymnal printed about 1913, then worked out every chord from its four printed voices. Leave out a few quick passing chords and it uses only 1 and 4 until the very end, where the 5 chord brings it home: three chords.

"Will the Circle Be Unbroken?" chorus, from a hymnal printed about 1913, in A♭, moved down a half step to G. The dotted-eighth-and-sixteenth rhythm is exactly as printed. G/D in bar 7 is a G chord over a D in the bass, a springboard (a "cadential six-four") into D7 on the last sixteenth. A few other quick passing chords in the hymnal (on sixteenth notes in bars 1, 5 and 6, and on an eighth note in bar 3) are left out.

Play the melody with your right hand and the chords from figure 1 an octave lower in your left, one chord per bar (two in bars 5 and 7). Notice that bars 3 to 4 go 4 to 1: that soft landing is the "amen" sound of the plagal cadence. In bar 7 the bass already sits on D, the 5, under a G chord; D7 follows and lands on G: 5 to 1, the full stop that ends the song. Then try the same chords under the verse of "Keep on the Sunny Side." A simple plan for both songs: first play only the chords, one per bar, while you sing or hum the tune; then play the melody alone until the dotted rhythm feels easy; then put them together, slowly. If a bar sounds wrong, check which chord is written over it before you blame your fingers.

"Keep on the Sunny Side," the first line of the verse as printed in the 1925 Service Hymnal (in A♭), moved down to G. The line ends on the 5 chord, D: a half cadence, like a comma before the next line.

If you want to know why these three chords fit so many melodies, the Chords of a Key sheet shows all seven chords of a major key, and The Primary Chords in G gives you I, IV and V in root position and in smooth shapes. The same three chords drive rock and roll and the blues too; the article on common chord progressions in popular music genres shows them in other styles. For the bigger picture, music theory for beginners shows where chords fit in.

The Nashville Number System

Nashville session players often write 1, 4 and 5 instead of G, C and D. The Country Music Hall of Fame credits Neal Matthews Jr. of the vocal group the Jordanaires with first popularizing the system, and Chas Williams, author of a book on the system, says Matthews devised it "in the late 50's" for the group's studio work; Charlie McCoy and other session musicians then adapted it into chord charts. RCA Studio B was one of the places where it was refined.

The Steinway grand in RCA Studio B, Nashville. The studio, built in 1957, is now run as a historic site by the Country Music Hall of Fame and Museum. Photo: prayitnophotography (Thank You (22 Millions+) views), CC BY 2.0, via Wikimedia Commons (cropped).

Here is how it works, following a 2024 guide in Acoustic Guitar magazine. Number the major scale 1 to 7. The chords of the key are 1, 2-, 3-, 4, 5, 6- and 7°: a dash means minor and a small circle means diminished, and the 5 chord is often written 5⁷. Each bar gets one number, the numbers are laid out in four-bar lines, and two or more numbers underlined together share one bar. Because the numbers name scale degrees rather than letters, one chart works in every key. The music theorist Trevor de Clercq describes the system as a way to show "the functional harmony of a complete song on a single sheet of paper," an alternative to the roman numerals you meet in roman numeral analysis.

The chorus of figure 2 as a number chart. A singer who wants it higher asks for D, and nobody has to rewrite a thing: the band reads the same numbers in a new key. Underlined chords share a bar, and here neither bar splits evenly: in bar 5 the 1 comes on beat 4, and in bar 7 the 1/5 (the 1 chord over its 5th, G/D in G) fills the bar until 5⁷ arrives on the last sixteenth.

That is transposition the easy way: read each number in the new key's scale. In D, 1 is D, 4 is G and 5 is A. In C, the chorus becomes C C F C | F-C C C/G-G7 C (a hyphen joins the two chords that share a bar). Practice by saying the letters out loud before you play: if you can name them in time with a slow beat, you can play them. To hear the changes without a chart, try the chord exercises in how to play by ear. Try it with a melody too on the Transpose the Melody exercise. Acoustic Guitar adds a stage detail: when there is no chart, players flash fingers to cue the next chord, one finger for 1, four for 4.

One extra color is worth knowing. In a major key the 2 chord is minor (Am in G, Dm in C). Raise its 3rd and add a 7th, and it becomes a dominant 7th that leans into the 5 chord. Classical theory calls it "five of five." You will hear it in many styles, country included. Use it as an option once your three chords feel easy.

C – D7 – G – C, written in numbers as 1 – 2⁷ – 5 – 1. The F♯ is borrowed from G major and rises to G. Chord shapes from the Secondary Dominants sheet. In G the same move is G – A7 – D – G.

Play it: boom-chick, the bass walk, the waltz and the slip note

Chords become country when you give them a groove. The most basic is the boom-chick: a bass note on the beat ("boom"), a chord on the "&" ("chick"). The Two Beats in a Bar sheet uses the same word for a left hand that plays "low on each beat, an octave higher on its '&'," and the Accompaniment Patterns sheet calls its stride pattern "bouncy, boom-chick." Country players often add one twist: the bass alternates between the root and the 5th.

Boom-chick in 2/4: root on beat 1, the 5th below on beat 2, and a chord on each "&". Count "1 & 2 &" (Count in Two has practice lines) and keep the chicks short and light.

On guitar, the same idea lives in Maybelle Carter's thumb-brush. The Hall of Fame describes her picking the melody on the bass strings with her thumb while her fingers kept rhythm by brushing down on the higher strings. Start simpler: thumb on the root, brush the chord; thumb on the 5th, brush again. If you are choosing an instrument, see our guide to choosing the right guitar for beginners.

When the chord changes, the bass can walk there. A walk-up fills the space between two roots with scale notes: G–A–B lands on C, and C–B–A walks back down to G. Keep the right-hand chord on the first "&" and let the walk carry the rest of the bar.

A walk-up in bar 2 and a walk-down in bar 4. The walking notes are eighth notes on "2 &", so the new root lands exactly on beat 1.

For a slow story, try a waltz, in 3/4. The left hand plays the root on beat 1 and the chord on beats 2 and 3, the waltz bass of Accompaniment Patterns. Count "ONE two three" (Time Signatures I shows 3/4 next to 4/4 and 2/2) and lean on beat 1.

A country waltz over G – C – G – D7 – G – C – D7 – G. Every melody note on beat 1 belongs to its chord, so the tune sits on the harmony.

A classic country piano sound is the slip note. The Hall of Fame describes it as "sliding up into a note from the one beneath" and says Floyd Cramer made it famous on "Last Date" (1960). Cramer explained that half steps were common, "but the style I use mainly is a whole-tone slur which gives more of a lonesome, cowboy sound." On paper it is a grace note: a tiny note crushed into the main note so the main note still lands on its beat.

Slip into B, D and E from a whole step below and into the final G from a half step below. Play the grace note and the main note with two neighboring fingers, almost together, and lift the lower finger at once. From a black key (the F♯ into G) you can also slide one finger off the black key onto the white one.

A word on rhythm: some country songs swing their eighth notes, long-short. The Swing Eighths sheet lists shuffles in "some rock 'n' roll, pop and country songs" under "swing it." Try each groove here both ways.

The train beat

Drummers have a groove that sounds like a train. Modern Drummer says the train beat is "most commonly used in country and bluegrass settings," and Drum! magazine says it "should sound a bit like a locomotive churning." Drum! says it has a "two-feel" with its "back-and-forth kick and snare accents": although it is written in 4/4, it feels like two big beats per bar. It can be straight or swung, and drummers play it with sticks, brushes or rods.

The train beat, two bars. Say the counts under the notes and clap only the accented "&"s first, then add the soft notes between them.

The snare plays steady sixteenth notes, soft except for an accent on every "&"; the bass drum plays every beat; the hi-hat pedal closes on every "&".

The same bar as a step grid. The accents and the hi-hat land together on the "&"s: that is what makes the beat chug.

The trick, as Modern Drummer puts it, is to "play the accents strong while keeping the inner beats relatively low." Set a metronome slowly (Tempo & the Metronome has a step-by-step plan) and speed up only when the soft notes stay soft. Accents off the beat are a kind of syncopation, and feeling two big pulses in a 4/4 bar is a good example of the difference between rhythm and meter, explained in our article on the difference between rhythm and meter.

No drummer? Pianists can borrow the feel. Keep the left hand on the beats, root and 5th, and punch a short chord on every "&", accented like the snare. Play it under the "Will the Circle" chords at a brisk tempo and you will hear the train start to roll.

The train-beat feel at the piano: the boom-chick of figure 5 in 4/4, with every chick accented. Think "boom CHICK boom CHICK" with the weight on the chicks.

Write your own 16-bar country song in G

You now have every piece. Here is a plan that takes one afternoon.

The five steps below, at a glance.

1. Pick a story and a title line. Use the checklist above: a person, a place, one detail a camera could see, and a chorus line that can turn. Write three verse ideas at three times: then, now, later.
2. Write a number chart. For the verse, try 1 1 4 1 | 1 1 5 5 (it ends on 5, a comma). For the chorus, start on 4 for a lift: 4 4 1 1 | 5 5 1 1. That is 16 bars. In G it reads G G C G | G G D D, then C C G G | D D G G.
3. Find the melody. Put a chord tone on beats 1 and 3 of every bar, then fill the gaps with steps. Sing the words as you go and let the stressed syllables fall on the strong beats. The five notes of the G major pentatonic, G A B D E (The Pentatonic & Blues Scales), sound good over all three chords, as Improvising with the Pentatonic shows. A short pickup can lead into a line, and Choosing Chords for a Melody helps when you write the tune first.
4. Choose a groove. Boom-chick for a bright, quick song, the waltz for a slow story, the train beat for a song that moves.
5. Write it down. Put the melody on one staff with the chord symbols above it: a lead sheet. Print Manuscript Paper for your draft, and add the numbers over the letters so you can play it in any key.

Here is the verse of our example song, written over the verse chart. Look at bars 2, 4, 6 and 8: each line ends on a long note, and each long note lands on a rhyme or a breath.

Our verse over 1 1 4 1 | 1 1 5 5. Bars 1, 3, 5 and 7 move in quarter and eighth notes; bars 2, 4, 6 and 8 slow down to a half note, so every line ends on a long note. The two four-bar phrases (bars 1–4 and 5–8) run the usual question and answer backward: the first closes on the 1 chord, and the second stops on the 5 chord, a half cadence that leaves the door open for the chorus. A period, as on the Phrase and Period sheet, works the other way round: a question that stops on 5, then an answer that goes 5 to 1.

When you have a verse and a chorus, map the whole song with letters (verse A, chorus B), as Musical Form teaches and Label the Form lets you practice. A common plan is verse, chorus, verse, chorus, verse, chorus, with the last chorus carrying the biggest turn of your story. Then hand your lead sheet to a friend and let them play it from the chords alone, the way Realize a Lead Sheet teaches; if they can, your chart works.

Free worksheets for this article

• The Primary Chords: I, IV & V — the three-chord family, with a loop to play.
• The Primary Chords in Every Key — I, IV and V in G (or any key from the picker), in root position and smooth shapes.
• Chords & Progressions in Every Key — the smooth G, C, D7 and Em shapes and three loops; in C too: C major.
• Primary Chord Patterns — I, IV and V7 close shapes in 4/4 and 3/4 vamps.
• The Chords of a Key — all seven chords of a major key and their jobs.
• Tonic & Dominant and Cadences — home, away and how phrases end, including the "amen."
• The Dominant 7th and Secondary Dominants — the 5⁷ chord and the major 2 chord that leans into it.
• Chord Symbols — every chord symbol you will meet, built on C, and the five most common in all 12 keys.
• Scale Degree Names and Roman Numeral Analysis — the numbers behind the Nashville numbers.
• Transposition and Transpose the Melody — move a tune or a chart to a new key.
• Two Beats in a Bar: 2/4 & Cut Time and Count in Two — the meter of the boom-chick.
• Accompaniment Patterns and Block & Broken Chords — the waltz bass, stride and other left-hand grooves.
• Time Signatures I, The Sixteenth Note, Syncopation and Swing Eighths — the rhythm behind the waltz and the train beat.
• Grace Notes — how to play the slip note on time.
• The Pentatonic & Blues Scales and Improvising with the Pentatonic — five safe notes for your melody; plus The 12-Bar Blues.
• Choosing Chords for a Melody, Phrase and Period and Pickup Notes — shape the tune.
• Reading a Lead Sheet, Realize a Lead Sheet and Manuscript Paper — write your song down and play it from the chords.
• Musical Form and Label the Form — map the whole song.
• Tempo & the Metronome — speed up a groove without losing it.

Three chords, one true story

Start small: one verse, one chorus line, three chords and a groove you can keep steady. Play your song in G, then read your number chart in C and D, and you will have it in three keys before dinner. If you would like someone to check your chart, your boom-chick or your slip notes, a Tissimo piano, guitar or voice teacher can work through your song with you in a live lesson.

Sources

• History — Grand Ole Opry
• The Birthplace of Country Music (Bristol, TN-VA) — Birthplace of Country Music Museum
• Jimmie Rodgers — Country Music Hall of Fame and Museum
• The Carter Family — Country Music Hall of Fame and Museum
• Hank Williams — Country Music Hall of Fame and Museum
• Harlan Howard — Country Music Hall of Fame and Museum
• About Historic RCA Studio B — Country Music Hall of Fame and Museum
• Floyd Cramer — Country Music Hall of Fame and Museum
• How to Easily Communicate Chord Progressions with the Nashville Number System — Acoustic Guitar
• The Nashville Number System: A Framework for Teaching Harmony in Popular Music (Trevor de Clercq) — Journal of Music Theory Pedagogy
• Narrative Paradigms, Musical Signifiers, and Form as Function in Country Music (Jocelyn R. Neal) — Music Theory Spectrum
• Drum Country: Train Beat Variations (Jim Riley) — Modern Drummer