"Different World" is a song by English heavy metal band Iron Maiden. It is the opening track from their 14th studio album, A Matter of Life and Death (2006), and was released as the second single from the album. It was released on 14 November 2006 in the United States, and 26 December 2006 in Europe. The song has been stated by the band to be a tribute to Thin Lizzy due to the low sounding melodies sung by Bruce Dickinson that are reminiscent of those Phil Lynott would sing. It was also played first every night on the band's A Matter of Life and Death Tour.