ExR is a musical side project of Etta Bond and Raf Riley, signed to Labrinth's record label Odd Child.
[4] The duo released their first collaborative extended play Emergency Room for free download on 20 July 2012 following a series of unreleased ExR demos.
On 26 July 2013, ExR released the music video for "Big Girl's Vogue", the first promotional single from their second EP Meds.
The duo appeared on DJ Target's BBC Radio 1Xtra show on 13 August 2013 to promote the EP.
They also appeared on CJ Beatz' "Soundcheck Special" to perform "Loophole" on 1Xtra on 9 September 2013.