General Audio Settings
Engine: waiting

Select global audio input and output devices for sandbox tools.

Audio Input Spectrum
MIDI Input Log
Used as global default engine for play actions (e.g. keyscale play).

YouTube Downloader

Tools
yt-dlp: available ffmpeg: available
Audio mode is unavailable because ffmpeg is missing.
Fetch formats, then click “Download” on the one you want.
Results
Each format row has its own Download button (submits the form with format_id).
YouTube thumbnail