London Grammar are British trio formed by Hannah Reid, Dan Rothman and Dominic 'Dot' Major. Their debut EP, Metal & Dust, was released in February 2013 by Metal & Dust Recordings Ltd, while their debut album, If You Wait, was released on 9 September 2013. If You Wait has been certified platinum in Australia and the UK, selling over 70,000 and 300,000 copies, respectively.

Source: Wikipedia