Hackers have leaked the BPM database as part of the #AntiSecUK hacking campaign. The leak was dumped in a Pastebin link and initially shared on Twitter. The BPM event attracts DJs worldwide and is dedicated to DJing, electronic music production, and club culture.
Source: https://thehackernews.com/2011/07/bpm-database-leaked-by-p0keu-for.html