A songwriting spark machine

Find the chords.
Catch the melody.

Genre-aware harmony and playable melodies for the right-before-blowing-up phase of your next song.

Open the studio

DJ
PB

✦

From the Emerald Coast
to wherever this goes.

Composition studio

Shape the idea.

Pick a musical neighborhood, then tune how the harmony and melody behave. Every seed is repeatable.

02 Build the harmony

Key Mode Length Harmonic color

03 Direct the melody

Note density Contour Register Syncopation Chord-tone pull Seed optional

MusicXML ready Open the result in MuseScore, Dorico, Finale, or your DAW.

Built from an artist's toolbox

Less blank page.
More what if?

ChartGem began as a scrappy chord-chart generator inside DJ PeanutButter’s site. This version keeps the experimental spirit and adds genre language, melodic direction, repeatable seeds, and cleaner notation export.

Find the chords.Catch the melody.

Shape the idea.

Less blank page.More what if?

Find the chords.
Catch the melody.

Less blank page.
More what if?