How to write a rap song: 16-bar verses, hooks and an example

To write a rap song, pick a topic and an angle (the one thing you are saying), choose a beat and note its tempo, and write the hook first: a short, repeatable line that carries the title. Then write 16-bar verses, one line per bar, that tell a story or build an argument, with multisyllabic and internal rhymes and a punchline at the end of each 4- or 8-bar block. Finally, rewrite for flow: rap it over the beat, record it and cut every word that makes you rush. A typical layout is intro, hook, verse, hook, verse, hook, outro: about three minutes at 90 BPM.

Rap song structure: intro, 16-bar verses and 8-bar hooks

A bar is one measure of four beats, and in rap it usually holds one line, so “a 16” is a 16-line verse. Counting bars against the drums, flow and pocket are covered in how to write lyrics to a beat; here bars are the building blocks of a song.

Section	Bars	At 90 BPM	Its job
Intro	4	11 s	The beat alone, maybe an ad-lib or a spoken line
Hook	8	21 s	The title, repeated: the part people chant
Verse 1	16	43 s	Set up the story or the claim
Hook	8	21 s	Same words, same flow
Verse 2	16	43 s	Raise the stakes or turn the story
Hook	8	21 s	Often doubled at the end
Outro	4	11 s	The beat thins out or stops

That is 64 bars, about 2:51 at 90 BPM. Add a third verse and a fourth hook and you get the rap form in the song structure planner: under “Start from a common form,” pick “Rap: 16-bar verses and an 8-bar hook” and press “Use this form.” It loads a 4-bar intro, the hook, three verses each followed by the hook, and a 4-bar outro at 90 BPM, 88 bars in all (about 3:55). Then edit the bars to fit your song.

Common variations:

• 12-bar verses. Shorter verses keep a song moving; guest verses are often 8 or 12 bars.
• Hook first. Opening with the hook right after the intro puts the title in the first 15 seconds, as the planner’s form does.
• Bridge or break. 4 to 8 bars before the last hook where something changes: the drums drop out, the flow goes half time or a sung line replaces the rap.
• Pre-hook. 2 to 4 lighter bars that lift into the hook.

The song structure guide shows the same sections in sung songs.

Step 1: pick a topic and an angle

Content comes before flow. Paul Edwards’ How to Rap, built on interviews with more than 100 rappers, deals with what MCs write about before flow and delivery, and that order saves a lot of rewriting.

A topic is “my job.” An angle is “I fix everyone’s cracked phone except mine, because every dollar goes to studio time.” Write the angle in one sentence before the first bar; any bar that doesn’t serve it goes. Then pick a mode:

Mode	What it needs	A 16 in four blocks
Story	A person, a place, a turn	Scene · problem · turn · where it leaves you
Argument	A claim you can defend	Claim · proof · the other side · verdict
Flex	Specific, funny, checkable brags	Who you are · what you did · who doubted · proof

A flex still needs a picture: not “I’m the best,” but the detail that proves it. Collect ten names, numbers and places from your topic before you rhyme anything. Stuck for a subject? What to write a song about has a 10-minute method, and the songwriting prompts generator draws a random image to start from.

Step 2: choose the beat and its tempo

The beat decides how many words fit in a bar. These are short teaching loops synthesized in your browser, not produced beats; each starts with a count-in.

Boom bap: room for dense bars

After the count-in (0:00–0:02), the loop starts at about 0:03 on Dm7, runs four bars to 0:13 and repeats until about 0:24. The snare hits on 2 and 4, and a bar lasts 2.7 seconds: room for 10 to 12 syllables. Hear the four bars as one block of your verse: the last snare before Dm7 returns at 0:13 is where its strongest line goes.

Trap: fewer words, or triplets

After four fast clicks (0:00–0:01), Am starts at about 0:02 and F at 0:05; the four-bar loop comes round again at 0:09 and ends at about 0:16. The snare hits once per bar, on beat 3, the first at about 0:03. A bar lasts only 1.7 seconds, so write shorter bars (6 to 9 syllables) or switch to triplets, and leave beat 4 for a breath or an ad-lib.

Got a beat from a producer? Ask for the BPM and key, or tap along with the kick in the tap tempo and metronome. Write the tempo at the top of your page: every bar you write depends on it.

Step 3: write the hook first

The hook is what people repeat, so write it before the verses: once the title exists, every verse has something to point at.

1. Short. A title of 2 to 5 words, and 5 to 9 syllables per hook bar, fewer than in a verse bar.
2. Repeatable. An 8-bar hook is usually a 2-bar phrase said four times or a 4-bar phrase said twice, with the same words every time.
3. The title. If it isn’t in the hook, listeners won’t know what to search for.
4. Rhythm first. Chant a pattern over the loop with nonsense syllables, then fit the title into it, leaving gaps: space is what separates a hook from a verse.

Write ten title phrases, chant each over two bars and keep the one you still remember the next morning. Rapped, chanted or sung all work, as long as it contrasts with the verse flow. How to write a hook has a test for picking by memory.

Step 4: write the 16-bar verse

Plan four blocks of four

• Bars 1–4: set it up. Where we are, who is talking, what is at stake.
• Bars 5–8: develop. Add detail and land a first punchline in bar 8.
• Bars 9–12: turn. New information, a flashback or the other side of the argument.
• Bars 13–16: land it. The hardest line goes in bar 16, just before the hook.

A 16 in one sitting is hard; one block a day for four days is not.

Rhyme schemes that hold a verse together

End rhymes in pairs (AABB couplets) are the base. What makes bars sound written, not just rhymed, happens inside and across them:

• Multisyllabic rhymes (“multis”). Two or more syllables that match in a row: “operator / escalator,” “shattered / mattered.” In English they match the vowels and let consonants slide.
• Internal rhymes. A rhyme mid-bar, ideally on a beat, so the bar clicks twice.
• Assonance chains. One vowel held for four bars or more, like the short “e” in “lens / cent / rent / mend,” so a block keeps one sound without running out of perfect rhymes.

Types of rhyme in songs defines each one; the worked example below uses all three, with the scheme marked.

Punchlines and wordplay

A punchline is a setup and a payoff: the bars before build an image, and the last words flip it. Put it where the ear expects weight, in the last bar of a 4- or 8-bar block, on the final snare. Four ways to build one:

• Reversal. Turn the setup’s logic around.
• Double meaning. One word, two senses, both true in context.
• Callback. A word from bar 1 returns in bar 16 with a new meaning.
• Hard specifics. “Nine to nine,” “twenty bucks a screen”: numbers make a brag believable.

Test: read the punchline without its setup. If it still works alone, it’s just a good line; a punchline needs the bars before it.

End each bar on the snare

The last stressed syllable of a bar, usually the rhyme, should hit the snare: beat 4 in boom bap, beat 3 in trap. If it lands after the snare, the bar sounds late; reorder the words or cut a syllable. The syllable counter shows at a glance when one bar has grown longer than its neighbors, and song syllables and stress explains which syllable carries the weight.

Worked example: 8 bars and a 4-bar hook over boom bap

Topic: my job. Angle: “I fix everyone’s cracked phone except mine, because the money goes to studio time.” Beat: the boom bap example, 90 BPM, snare on 2 and 4. Title: “Cracked Screen.” End rhymes are in bold, internal rhymes in italics.

Verse 1, bars 1–8

Bar	Line	Scheme	Syllables
1	Nine to nine by the mall escalator,	A	10
2	tiny screwdriver, small-time operator.	A	11
3	They drop me their lives in a glass that’s shattered,	B	11
4	I hand ‘em back whole like the crack never mattered.	B	12
5	My own phone’s split from the corner to the lens,	C	11
6	I write through the spiderweb, saving every cent.	C	12
7	Each fix buys ten minutes in the booth I rent,	C	11
8	and one day you’ll watch me on the screens I mend.	C	11

• Scheme AABBCCCC. Two couplets, then a four-bar chain on one vowel.
• Multis. Es-ca-LA-tor and op-er-A-tor share their last three syllables; SHAT-tered and MAT-tered share two.
• Internal rhymes. “Tiny,” “screwdriver” and “time” repeat the long “i” in one bar; “glass,” “back” and “crack” carry the short “a” across bars 3–4; “write” and “spider” bring the long “i” back in bar 6.
• Story and punchline. Place, job, turn (his own phone), stakes: the screens he mends will one day play him.
• On the snare. The stressed syllables of the end rhymes (LA, RA, SHAT, MAT, LENS, CENT, RENT, MEND) sit on the snare on 4.

Rap it over the boom bap example: bars 1–4 on the first pass of the loop (0:03–0:13), bars 5–8 on the second (0:13–0:24). Bar 8 ends with the loop, right where the hook comes in.

The hook: 4 bars, said twice for 8

Bar	Line	Scheme	Syllables
1	Cracked screen, still I see it clear,	A	7
2	cracked screen, still I’m writing here.	A	7
3	Line in the glass, bar in the cracks,	B	8
4	cracked screen, never looking back.	B	7

Seven or eight syllables a bar against 10 to 12 in the verse, so the hook breathes. The title opens three of four bars, and “glass” and “cracks” call back to the verse.

Rewrite for flow: rap it over the beat

A verse isn’t finished on paper. Rap it over the loop, record it and change the words, not your breathing. Two flows to test your bars against:

Straight flow for boom bap

After the count-in (0:00–0:02), four bars run from about 0:03 to 0:13, each with six syllables on eighth notes: the first just after the kick, the last on beat 4 with the snare, then a gap to breathe. The hook’s seven syllables fit this grid if you start one eighth earlier, on the kick: “CRACKED screen STILL I SEE it CLEAR” puts STILL and CLEAR on the snares.

Triplet flow for trap

After the count-in (0:00–0:01), four bars run from about 0:02 to 0:09, with three syllables on each of beats 1, 2 and 3; the third group starts on the snare and beat 4 stays empty. Moving the story to trap means rewriting, not squeezing: “HAND me the | PHONE and I’ll | FIX it for | you” puts HAND, PHONE and FIX on beats 1, 2 and 3 (the snare), with one syllable left for beat 4.

The rewrite checklist

1. Record one take at tempo without stopping, and mark every bar where you rushed or ran out of air.
2. Cut filler (“just,” “really,” “like”): anything that isn’t story, rhyme or rhythm.
3. Move stresses onto beats until each rhyme’s stressed syllable hits the snare.
4. Keep a block’s bars within two or three syllables of each other, unless you change flow on purpose.
5. Move your best line to the last bar of its block (8 or 16), then record again and compare the takes.

Practice routine: freestyle, click, record, cut

Twenty minutes a day beats one long session a week. The chord player loops a beat in your browser and records a take over it that you can download; wear headphones so the beat doesn’t leak into the mic.

Minutes	Drill	Tool
0–5	Freestyle warm-up: take one multi (“operator”) and chain rhymes to it over the loop without stopping, then name objects in the room in rhythm	Boom bap loop at 90 BPM
5–10	Read your 16 on a click, first at the beat’s BPM, then 10 BPM slower, clapping on 2 and 4	Tap tempo and metronome
10–15	Record a take over the beat and download it	Trap loop at 140 BPM, or your own beat
15–20	Listen back and cut one filler word per bar and one bar that doesn’t move the story	Syllable counter

Freestyle finds rhymes and flows fast; writing keeps the good ones. Two warnings from the cut stage: if every bar rhymes on one-syllable words (day, way, say), rhyme two or three syllables instead, and if verse 2 repeats verse 1, use bars 9–12 for new information. More general drills are in songwriting exercises.

Where Zoundroom fits: the beat, the bars and the takes in one project

In Zoundroom each song is a project. Import the beat into it (the producer’s file, plus any takes you downloaded from the chord player) and write your bars in a note, with the BPM and the hook at the top. Insert the beat into that note and play it while you write. Then record takes inside the same note: the audio goes in where your cursor is, so the take of bars 1–8 sits right under bars 1–8, and the rewrite under the rewrite. It’s the same account on iOS, Android and the web, so bars written on your phone are waiting on your laptop. Zoundroom isn’t a DAW: it doesn’t mix, add effects or record multitrack. When the verse is final and you want the vocal mixed over the beat, move to GarageBand (free on iPhone and iPad) or BandLab (free in the browser and on iOS and Android). See how notes and lyrics work with audio.

Frequently asked questions

How many bars are in a rap verse?

Usually 16: about 43 seconds at 90 BPM, or 27 at 140. Verses of 8 or 12 bars are common in shorter songs and guest features, and storytelling verses can run 24 or 32. The hook between verses is usually 8 bars.

How do I write a rap for beginners?

Start smaller than a song: one 4-bar block a day over one beat. Pick a moment from your week, write the angle in one sentence, rhyme the ends in pairs and add one internal rhyme per bar. After four days you have a 16; add a 2-bar hook with the title. The free songwriting course covers the wider basics.

Do raps need to rhyme?

Not every bar, and not perfectly. Rap leans on rhythm and vowel sounds more than on perfect rhyme: slant rhymes and assonance chains count, and one unrhymed bar can hit hard because it breaks the pattern. Still, rhyme is how listeners hear where bars end, so most bars rhyme with something.

How do I find my flow?

Borrow rhythms, not words: tap the pattern of a verse you love, then write new words to that pattern. Change one thing at a time (where the bar starts, how many syllables, straight or triplets) and record everything. Your flow is the pattern you keep coming back to when you freestyle. The mumble-first method in how to write lyrics to a beat is a quick way in.

Sources

Pages checked on September 27, 2026:

• How to Rap — Chicago Review Press (Paul Edwards, 2009; interviews with over 100 rappers on content, flow, rhythm and delivery)
• GarageBand — App Store (free; iPhone and iPad; recording, mixing and up to 32 tracks)
• Supported platforms and system requirements — BandLab Help Center (free on the App Store and Google Play, and in a web browser)