ExR is a musical side project of Etta Bond and Raf Riley, signed to Labrinth's record label Odd Child. The duo released their first collaborative extended play Emergency Room for free download on 20 July 2012 following a series of unreleased ExR demos. They released two promotional singles from the EP in the form of music videos. Etta also performed "Baddy" in May 2013 for SB.TV as part of their String Sessions feature alongside a string quartet.