Jim Moray
From Tardis Wiki, the free Doctor Who reference
Jim Moray (born 20 August 1981[1]) is an English folk singer and record producer. In 2016, he specially adapted his song "Nightvisiting" into "Nightvisitor" for Class, and it was featured in the television story, Nightvisiting.
He was credited as writer and performer of the song for the episode, becoming the first ever to receive such an on-screen credit in a DWU production.
He also played a folk musician in the series finale, The Lost, singing "Black is the Colour" on-screen. For this episode, he also co-wrote another original song, "The Lost", with Blair Mowat and Patrick Ness, to be sung by Sophie Hopkins as April.