Imported music files are processed in your browser and saved on your device. They are not published unless you choose “Publish library.” Published libraries and profile names can be viewed by anyone with the profile link.
Spotlight requests artwork and song information from Spotify and Apple, lyrics from LRCLIB, playback from Spotify embeds, and optional Canvas video links from CanvasDownloader. Those services may receive your IP address and the song you view. If you create an account, Supabase stores your profile, password credentials, and any library you publish. Signup and recovery limits use a hashed IP address; expired limit records are periodically pruned.
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