Stop-iT

 
How to propose a DIY music composition tool?
Date

2008

Medium

Paper, camera, computer, sound system

Software

OpenFrameworks

Authors & development

Tobias Muthesius & Pierre Thirion, Lab212

Synopsis

Stop-iT is a physical sequencer. By sticking post-it notes on a surface, people create a musical composition. The color of a post-it defines the type of instrument and its vertical position, the pitch of the note. The surface is analyzed in real time. The generated melody is played in loop, repeatedly.

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With a simple button, users can record their live session. The recording is then automatically uploaded to a website where they can find it back, download it as an mp3, or share it.


Created with openFrameworks, the software outputs MIDI signals. This way, it can communicate with external softwares and devices.