Crystal Castles is an experimental electronic band formed in 2004 in Toronto consisting of producer Ethan Kath and vocalist Alice Glass. The duo is known for their chaotic live shows and lo-fi melancholic homemade productions. They released many limited vinyl EPs between 2006 and 2007.

In 2006, their first single/EP "Alice Practice" was released on vinyl and was limited to 500 copies, which sold out in 3 days. Their debut album, Crystal Castles, was released in 2008 and was listed on NME's "Top 100 Greatest Albums of the Decade" list at No. 39.