How to Write Chord Progressions for Beats (No Music Theory Needed)

14 octobre 2026

🎹 Want to skip straight to the result? Use our free Chord Progression Generator: pick a mood and a key, hear it on piano, pad or guitar, and download the MIDI. Then come back here to understand why it works.

You don't need a music degree to write chord progressions that sound good. Almost every progression in trap, R&B, pop and lofi follows a few simple rules. Learn them once and you'll be able to write your own in any key, in any DAW.

1. Pick a key and stay inside it

A key is a family of 7 notes that sound good together. Every key gives you 7 chords built only from those notes. If you only use those 7 chords, nothing will ever sound "wrong".

The chords of C major and its relative key A minor (same notes, different home chord):

Degree	C major	Degree	A minor
I	C	i	Am
ii	Dm	ii°	Bdim
iii	Em	III	C
IV	F	iv	Dm
V	G	v	Em
vi	Am	VI	F
vii°	Bdim	VII	G

Uppercase Roman numerals are major chords, lowercase are minor, and ° means diminished. The numerals are the same in every key: learn i – VI – III – VII once and you can play it in D minor, G minor or anywhere else.

2. Understand the three jobs a chord can do

Chords don't just sit there: each one has a job in the progression.

Home (tonic): I or i. Stable, resolved. The chord your loop "belongs" to.
Away (pre-dominant): IV/iv, ii, VI. Moves away from home and builds a little tension.
Tension (dominant): V, VII, vii°. Wants to go back home.

Most good progressions travel home → away → tension → home. That's why I – IV – V – I and i – iv – V – i feel so natural.

3. Make the loop connect back to chord 1

In beats, a progression repeats over and over. So the last chord must lead smoothly into the first one. A tension chord (V or VII) right before the loop restarts on i is the strongest option. In minor, VII → i and V → i are the classic loop points.

4. Use the 4-chord formula

Most beats use 4 chords, one per bar. A reliable recipe:

Start on the home chord (i or I), or on VI/IV for a more "floating" feel.
Move to an "away" chord.
Add one more color chord.
End on a chord that pulls back to chord 1.

Examples that follow the formula:

i – VI – III – VII (Am – F – C – G): the classic sad/emotional loop.
i – iv – VI – V (Am – Dm – F – E): darker, with a strong pull home.
I – V – vi – IV (C – G – Am – F): the pop progression.
ii – V – I – vi (Dm – G – C – Am): jazzy, perfect for lofi with 7th chords.

Note: in minor keys, producers often turn v into a major V (E instead of Em in A minor). It creates a much stronger pull back to the home chord.

5. Add color with 7ths and 9ths

Once your progression works with simple triads, add a 7th or a 9th to each chord. Am becomes Am7 or Am9, F becomes Fmaj7. Same progression, much richer sound: ideal for R&B and lofi. Keep triads for hard trap where you want a cleaner, darker sound.

6. Smooth voice leading: don't jump around

When you change chords, keep shared notes in place and move the others by the smallest step possible. Use inversions (the same chord with a different note at the bottom) so your hands, or your MIDI notes, barely move. It sounds more professional instantly. Put the root note in the bass (or the 808) and let the chords float above it.

7. Give the chords a rhythm

Holding each chord for a full bar is perfect for pads and ambient beats. For more groove, try a 3-3-2 bounce (hits on beat 1, the "and" of 2, and beat 4) or turn the chords into an arpeggio (one note at a time). The same chords can sound completely different depending on the rhythm.

Practice: generate, listen, steal the idea

The fastest way to learn is to hear dozens of progressions and notice which ones you like. Our Chord Progression Generator builds every progression from the rules above (home, away, tension, loop), so every result is in key and loops smoothly. Look at the Roman numerals under each chord, swap one chord at a time with ↻, and download the MIDI when you find a keeper.

Common mistakes

Using chords from outside the key without knowing why. Stay in the key first, break the rule later.
No home chord. If your loop never touches i or I, it can feel like it's going nowhere.
Big jumps between chords. Use inversions to keep the movement small.
Too many chords. Four chords are enough for most beats. Even two can work.