MIDI Tape Recorder, precise capture, now standalone for macOS, iOS

Geert Bevin’s terrific MIDI Tape Recorder precisely captures MIDI performances, including MPE, verbatim — not the slightest variation in sound. v2.0 adds a host of new features, plus a standalone version alongside the existing AUv3 plug-in. It’s low-level, direct CoreMIDI capture of what you played, exactly as you played it, with every expression intact. And it’s and open source.

Tekno, new bendable drum machine synth: we’ve got free patterns and kits

Baby Audio has built a software drum machine. And it feels like hardware — tweakable, bendable, hackable, hybrid hardware. Tekno is like a blend of different classic machines combined into its own, hard-hitting personality. I’ve been cooking up a free, CDM-exclusive collection of kits and MIDI patterns, including some reimagined classics.

Peter Kirn - September 2, 2025

MIDI Piano Roll Turned Into Platformer: Adventures of General MIDI

It turns Logic Pro into a game level editor. It makes a standard MIDI file into a terrain of platforms to explore. As you navigate, your footfalls on piano roll-visualized notes procedurally generate sound effects and music. And it turns General MIDI — and Super Midio, and my personal favorite, the SysExorcist — into heroes. […]

- May 27, 2014

iPhone’s Siri Plays a Real Grand Piano, Raps with Notorious B.I.G.

Peter Kirn - December 21, 2011