
Bands and producers
Loop a progression for a jam, or drag the MIDI into your DAW and build a beat on it.
Pick a key and a mood. Hear the chords, then take them anywhere.
Choose a key and one of six moods, and get a four-chord progression with its Roman numerals, one bar per chord. Play it in your browser, ask for another, copy the chord names or save a MIDI file.
C
I
G
V
Am
vi
F
IV
C major · 112 BPM · one bar per chord
Start a song in this key
We fill in “Happy, C major, 112 BPM” for you. Add a topic and press Create.
The first happy progression in G major, as the generator shows it.

Four chords, one bar each, that loop back to the start.
The numerals say where each chord sits in the key, so you can move it anywhere.
Each mood plays at its own tempo. Happy is bright and quick.
What you choose and what you get.
Two choices, then listen.
Choose the key you sing or play in, then a mood: happy, sad, chill, dreamy, epic or dark.
Press play. Not the one? Press Another for the next progression in that mood.
Copy the chords, save a MIDI file, or make a full song on the same chords.
For a band warming up or a songwriter on their own.

Loop a progression for a jam, or drag the MIDI into your DAW and build a beat on it.

Four chords are enough for a whole song. Learn them once, then play them in any key.
Roman numerals are how musicians move a progression between keys.

I, IV and V are major chords. Small numerals, like vi, are minor.
I–V–vi–IV is C–G–Am–F in C and G–D–Em–C in G. It feels the same in both.
Our Chord Finder read I–V–vi–iii–IV in “Lisbon in Our Eyes”, an anniversary song made here.
The first progression of each, spelled in C or A minor.
| Happy | Sad | Chill | |
|---|---|---|---|
| Numerals | Happy: I–V–vi–IV | Sad: i–VI–III–VII | Chill: Imaj7–vi7–ii7–V7 |
| Chords | Happy: C G Am F | Sad: Am F C G | Chill: Cmaj7 Am7 Dm7 G7 |
| Key type | Happy: Major | Sad: Minor | Chill: Major |
| Tempo | Happy: 112 BPM | Sad: 72 BPM | Chill: 84 BPM |
Dreamy, epic and dark work the same way. Press Another to step through the rest of each mood.
No. Make as many progressions as you like, with no account. They are made in your browser.
Each numeral is a step of the key. I–V–vi–IV is C–G–Am–F in C and G–D–Em–C in G. Capitals are major chords and small numerals are minor.
Drag it into GarageBand, FL Studio, Ableton or Logic, put a piano or pad on the track, and build the song on top.
Yes. Chord progressions are shared by countless songs and nobody owns them. Your melody and words make the song yours.
Not this one. Drop the song into the Chord Finder and it shows the chords as they play.
Not covered here.Ask us something else
Keep the key and the mood, describe the story, and hear two full songs in about a minute.
Make a happy song in GTwo free songs, no account needed.