Expressive E Osmose meets Elastic OSC; playing with MPE

There’s something magical about playing sounds with polyphonic expression. It means translating sound ideas directly to your hands and improvising live, rather than having to go back and edit those ideas in later or take your hands off the keyboard to turn a knob. Here’s a look at playing the presets I made for Elastic OSC using Expressive E’s excellent Osmose keyboard.

Elastic OSC, Plaits as an instrument app, now supports Android, MPE

Oliver Greschke’s Elastic OSC continues to blossom as a mobile instrument. Packed with open-source algorithms from Mutable Instruments’ Plaits as oscillators, Elastic OSC has added powerful modulation and now supports Android and MIDI Polyphonic Expression.

Peter Kirn - March 26, 2026

Hands-on sound: IRCAM’s ASAP apps transform audio, free on iPad

Reach out and draw and manipulate sounds, directly from the spectrum. IRCAM Forum’s Pierre Guillot lets us know three ASAP apps are now available on iPad, free of charge. It’s what it feels like the iPad was made to do.

Peter Kirn - March 19, 2026