Working Class Hero: The Definitive Lennon is a 2-disc CD album released in 2005 by John Lennon. It features rock 'n' roll and oldies genres with a total of 38 tracks. The album was produced by John Lennon, Yoko Ono, Phil Spector, Jack Douglas, George Martin, and Rob Stevens under Capitol Records. It is a must-have for fans of John Lennon and rock 'n' roll enthusiasts.