What is the song that Mike Einzinger cowrote and Avicii performed?
Mike Einziger: Michael Aaron "Mike" Einziger (born June 21, 1976) is an American musician, best known as the guitarist and co-songwriter of the rock band Incubus. Mike Einziger:  He co-wrote and played acoustic guitar on Avicii's 2013 worldwide hit "Wake Me Up". Wake Me Up (Avicii song): "Wake Me Up" (stylised as "WAKE ME UP!") Wake Me Up (Avicii song):  is a song by Swedish DJ and electronic music producer Avicii, released as the lead single from his debut studio album "True", released on CD and cassette by PRMD Music, Lava Records and Sony Music's Columbia Records on June 17, 2013.
Wake Me Up