Observed arrival · 2026-11-05
MidiMuse: Four tools, one loop
A MIDI companion for OP-XY on iPhone and Mac that captures loops, reshapes them with four reorderable tools, then sends a take back or exports it.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- OP-XY players shaping MIDI sketches
- Worth noticing
- Fill, Granular, Harmony and Arpeggio can be reordered and changed while the loop keeps playing.
Field notes
The page walks through capturing 1, 2, 4, or 8 bars—or using free-length capture—over USB or Bluetooth, then processing and sending a chosen take back to an OP-XY or exporting a MIDI file. Its browser demos are explicitly described as simplified sketches, not the app’s full processing or sounds. The page says six built-in sounds can play saved sketches and takes offline.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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