For Browser Tabs (YouTube, Spotify Web):
1. Click capture button
2. Select the "Chrome Tab" tab at the top
3. Choose your tab
4. Check "Share tab audio" checkbox
For Desktop Apps (Tidal, Spotify app):
1. Click capture button
2. Select the "Entire Screen" tab
3. Choose your monitor
4. Check "Share system audio" (Windows only)
Note: macOS and Linux have limited system audio support
ℹ️ MIDI Support:
MIDI files (.mid, .midi) are supported, but note that browser playback quality may vary. The browser uses built-in synthesizers which may sound different from professional MIDI players.
Using default browser synth
How much volume changes per scroll tick (only when hovering over volume slider)