As they grew popular online he began receiving offers from record labels.
In 2010 their second album, titled (II), charted on the Billboard 200, and includes their first worldwide charting single, "Not In Love", featuring vocalist Robert Smith of The Cure.
Crystal Castles are an experimental electronic band formed in 2003 in Toronto, Ontario by songwriter/producer Ethan Kath.
Crystal Castles are known for their chaotic live shows and lo-fi melancholic homemade productions.
Crystal Castles also played the NME stage of Reading and Leeds Festival 2010, the Obelisk Arena of Latitude Festival 2010, Glastonbury 2010, Rock Ness 2010, Pohoda Festival in Trenčín, Slovakia, Exit Festival in Novi Sad, Serbia, Emmabodafestivalen in Emmaboda, Sweden, In New Music We Trust stage at the Radio 1 One Big Weekend in Bangor, North Wales May 2010 and Estrella Levante SOS 4.8 (May, 2010) in Murcia, Spain.
Crystal Castles did a Full-Length UK tour in November 2010.
When questioned about his motives behind this move, Kath responded with "To weed out the wimps, to annoy the posers. Several limited edition 7" vinyl singles followed in 20 on various independent labels, including two on London's Trouble Records.