The group known as Various Production has remixed what artist who graduated from BRIT school for Performing Arts and Technology and released the album "19"?
Various:  They have released remixes of a large variety of artists (sometimes uncredited) such as Thom Yorke, Adele, Virus Syndicate, Dave Cloud, Cat Power, Emma Pollock and Ian Brown and participated with one track on the Vexille Movie Soundtrack. Adele:  Her debut album, "19", was released in 2008 to commercial and critical success.
Adele