There are at least two artists with the name 'cleft' or 'Cleft'.
1. A British mathrock 2-piece (active from 2011 to present)
2. A German artist, the brainchild of Sven Brian (active from 2007 to 2009)
1. Cleft are a 2-piece band from Manchester, UK who formed in 2011. They make massive, dirty noises. Their debut EP - 'Utter' - was released on 15th June 2012, with the second called 'Whale Bone' following on the 22nd September 2012. Their debut album called 'BOSH!' was released on the 10th February 2014.
http://www.cleftband.co.uk
http://www.facebook.com/cleftband
http://www.twitter.com/cleftband