On Tuesday, May 6 (8:00-9:02 PM ET live/PT tape-delayed) the final four contestants---David Archuleta, David Cook, Jason Castro and Syesha Mercado---will return to the Idol stage to perform music from the Rock and Roll Hall of Fame. (sounds like a good week for David Cook!)

Tune in the following night to see live performances by Maroon 5 and Bo Bice. Find out who receives enough votes to stay in the competition and who must go home on the results show Wednesday, May 7 (9:00-10:00 PM ET live/PT tape-delayed) on FOX.