Dark Passion Play is the sixth studio album by Finnish symphonic metal band Nightwish. It was released on 26 September 2007 by Spinefarm Records in Finland, 28 September by Nuclear Blast in Europe and 2 October 2007 by Roadrunner Records in the US. It is the first album without original vocalist Tarja Turunen, who was dismissed in 2005, as well as the first album involving future member Troy Donockley on uilleann pipes and tin whistle. It is the first of only two albums with vocalist Anette Olzon, who was eventually dismissed in 2012 after the release of the band's subsequent album, Imaginaerum. Tuomas Holopainen has referred to this album as the "album that saved his life".

Symphonic metal is a cross-generic style designation for the symphonic subsets of heavy metal music subgenres. It is used to denote any metal band that makes use of symphonic or orchestral elements. The style features the heavy drums and guitars of metal with different elements of orchestral classical music, such as symphonic instruments, choirs and sometimes a full orchestra, or just keyboard orchestration.