Musicline

Motion in, music out.

Upload a video

or drop a video file here, or try a demo:

Slide ↔ Slide ↕

Source

Upload video

Demos

Notes to play

Detail

Every note the video plays is written down, timed to the video. The sheet is colour-coded and printable; the MIDI file opens in GarageBand, MuseScore (for sheet music) or piano apps. Tempo comes from the Sound section.

New zones

Scale Root Octave Notes Notes

Type or paste notes (E4 F#4 Bb3…), or tap a spot on the zone to pick each note.

Instrument Note length Sensitivity

Sound

Room Snap to beat Tempobpm

Snapping waits for the next beat, so random motion lands in time.

Chord mode

Motion anywhere plays the chord Density Octave Mix Instrument

Plays the lit chord pad (Cmaj9 if none). Higher on screen = higher note. Density = notes per second.

MIDI controller

USB pads or keyboard, Chrome/Edge. Pads 1–8 (notes C2–G2) pick chords, other keys play notes. Knobs are learnt as you turn them: first slides the zone ↔, second ↕, third sets chord density.

Motion

Threshold Hit echo Show detected motion

Projector play

Chase bubbles (kids game)

Point the camera at the projected area, then click Calibrate and click the 4 projected markers in order. Kids run across the lines, or pop the bubbles.

Choreography

Import

Zones autosave in this browser.

Records the stage with its zones and the music into a video file you can post.

Credits

Bağlama recordings: fcerim / Freesound (CC0).

Instrument samples: VS Chamber Orchestra: Community Edition (CC0). Concert hall reverb: Spokane Woman’s Club impulse response by OpenAIR, CC BY. Church reverb: Saint Lawrence Church, Molenbeek-Wersbeek (public domain), via Reverb.js. Demo videos: Pexels.