Crystal Castles is a Toronto-based band, described by Loud and Quiet as "the most exciting and original band in the world right now" consisting of multi-instrumentalist Ethan Kath and vocalist Alice Glass. The group's music has been described as "innovative". Crystal Castles are known not only for their own efforts as a band, but also because Kath has remixed songs by a number of other groups, including "Leni" by GoodBooks, "Hunting for Witches" by Bloc Party, and "Atlantis to Interzone" by friends and label mates, Klaxons.

Crystal Castles is a Toronto based band, described by Loud and Quiet as “the most exciting and original band in the world right now” consisting of producer/remixer Ethan Kath and vocalist Alice Glass. Their self-titled debut album was released in February, 2008, on Last Gang Records. Crystal Castles are known not only for their own efforts as a band, but also because Kath has remixed songs by a number of other groups, including “Leni” by GoodBooks, “Hunting for Witches” by Bloc Party