Privacy
No accounts, cookies, tracking or ads. Your audio never leaves your computer.
Kept for each song
Sound512 numbers describing how it sounds. They can't be played or turned back into audio.
Nameartist, title, album, length, and a MusicBrainz ID when it's identified
Factsyear, country, and the instruments heard
Fingerprint hashone-way, to spot the same recording added twice
Word hashesone-way hashes of three-word runs of the lyrics, so a remembered line finds the song. They can't be turned back into words.
Store linkwhere the cover and 30-second preview come from
Kept about you
Searchesnot logged
"This is the song"adds one to a count of word and song. No search, time or address.
IP addressa short-lived rate-limit counter, then gone
Where songs come from
Scansyour browser fingerprints your files; AcoustID and MusicBrainz name them. Lyrics come from LRCLIB, or your browser hears them when no site has them (English only).
Store previewssome songs are indexed from the 30-second previews iTunes and Deezer serve. Previews play from their servers.
Licences
DatabaseODbL. Bulk export on request.
Word listthe commonest English words, used to tell a band's name from an ordinary word, from wordfreq — CC‑BY‑SA‑4.0, and the copy here carries the same licence
Sound modelMuQ‑MuLan, CC‑BY‑NC‑4.0 (non-commercial). Whether that covers the numbers it produces is unsettled, so check before building anything commercial on the database. Browser copy, same licence.
Remove something
Email [email protected] with the artist and title. Everything held for that song is deleted.
Updated 2026-09-15