The Hardcore Heaven Presents Space 1999 Sy & Unknown Rave Tape Cassette is a live recording mix set by the artists Sy & Unknown, released in 1999. This dance and electronica cassette features a 60-minute runtime of hardcore and rave music, produced by the artists themselves. With a clear cassette design and no case included, this United Kingdom-produced cassette is a must-have for any music collector or fan of 1990s electronic music.
