Question: Who wrote wake me up when its all over?
Disambiguated questions and answers: question: Who collaborated to write wake me up when its all over?
Who wrote and performed wake me up when its all over?
answer: Mike Einziger
Tim Bergling
Avicii, Mike Einziger, and Aloe Blacc
Avicii
Aloe Blacc
Tim Bergling
Avicii
Bergling
Natural Questions answer: Mike Einziger
Avicii
Aloe Blacc (from the Wikipedia article "Wake Me Up (Avicii song)")