| Type | Drawing-based instrument and graphic sequencer |
| Input | Mouse, trackpad or touch drawing; Web MIDI keyboard input |
| Mapping | Stroke height sets pitch against a scale, horizontal extent sets timing and duration |
| Layers | Unlimited, each with instrument assignment, visibility, lock and delete |
| Instruments | Piano, guitar, violin, cello, flute, sax, trumpet, harp, organ |
| Drums | Kick, snare, hi-hat, clap, toms, cymbal, conga, cowbell, rimshot, maracas, MPC kick / snare / hat / perc |
| Sound tools | Normal, vibrato, granular, glide, stutter, glitch, slow-mo, echo, reverse |
| Effects | Chorus, delay, reverb, phaser, distortion, filter |
| Tools | Draw, eraser, grid, live mode, clear, undo, redo, pattern generator, quick presets |
| Shortcuts | Undo, redo, select all, clear, save, toggle grid and more on Ctrl-key combinations |
| Settings | Audio quality and canvas resolution, saved between sessions |
| Scales | Pentatonic minor, pentatonic major, major, minor, blues, dorian, phrygian dominant, chromatic - spanning C3 to C6 |
| Export | One-click audio export - records a full pass of the master output and downloads it |
| Requirements | Any modern browser with Web Audio. Touch drawing supported. |