Claim: Bodyrox, a duo who is into a cappella (defined as singing without instrumental accompaniment, some groups use their voices to emulate instruments) released five singles from 2005 to 2012, and all of their singles entered the UK top chart for ten weeks.
Evidence: Bodyrox are an English electro house music duo consisting of Jon Pearn (from Full Intention) and Nick Bridges. 
Electro house