Observed arrival · 2026-10-25
Demusic: a four-stem iPhone player
An upcoming iPhone music player separates imported songs into vocals, drums, bass, and “other,” then lets listeners toggle and adjust each part.
○Open
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✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- iPhone listeners with their own music files
- Worth noticing
- The site says processing pauses when the app leaves the foreground; cached stems have a configurable limit, set to 5 GB by default.
Field notes
The described workflow starts with music the listener already has: files can be imported from iPhone or iCloud storage, shared from another app, sent by AirDrop, copied from a Mac, or added by link. Separation is said to pause if the app leaves the foreground, while original playback continues until processing finishes. The site gives a 5 GB default cache limit and says older, less recently played stem files are removed first when storage exceeds it.
Observed signals
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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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