Complete the indicated task to unlock the corresponding bonus song.

North American version
"We Are The Champions" by Queen: Complete a Career mode.
"Smooth Criminal" by Alien Ant Farm: Complete two different Career modes.
"Satch Boogie" by Joe Satriani: Complete three different Career modes.

European version
"We Are The Champions" by Queen: Complete a Career mode.
"Everything Is Everything" by Lauryn Hill: Complete two different Career modes.
"Satch Boogie" by Joe Satriani: Complete three different Career modes.