Less tap dancing.
More music.
A field guide to turning your MIDI rig into a performance that moves with your music. Build the changes once. Be present when they happen.
The illustration plays when it comes into view. Pause it, drag the timeline, or pan the overview. Section titles stick at the leading edge until the next section takes over. Illustration only; no MIDI or audio is sent.
Your performance, connected.
Petal is an iOS app for organizing MIDI devices, reusable sounds, song timelines, and performances. A compatible connected controller handles the MIDI side of your rig while Petal gives you a musical view of what happens next.
Think of a preset as a saved instruction for one device, a patch as a group of presets, and a song as a timeline of changes. A performance puts songs in the order you want to play them.
Four tabs. One connected rig.
Find your starting point.
New rig? Follow Your first performance. Already have sounds saved? Jump to the timeline. At rehearsal with something not responding? Open Troubleshooting.
This manual follows the current development version of Petal, reviewed in October 2026. Interface diagrams are illustrations; labels and behavior can change between app and firmware releases.