Krewella is an American electronic dance music duo from Northbrook, Illinois, that formed in 2007. The duo consists of sisters Jahan Yousaf and Yasmine Yousaf. Originally a trio, their third member and producer Kristopher "Rain Man" Trindl resigned in 2014. Their EP, Play Hard, was released on June 18, 2012, exclusively on Beatport, followed by an iTunes release on June 26, 2012. Their debut album, Get Wet, was released on September 24, 2013, on iTunes. Their musical style draws upon house, dubstep, hardstyle, techno and drum and bass.