Complex sentence: On 11 August 2008 Fightstar released the B-sides album "Alternate Endings", with live radio sessions, covers and a previously-unreleased track.
Split into simpler sentences: On 11 August 2008, the band released a b-sides album called "Alternate Endings". It features a selection of the band's b-sides, live radio sessions, covers and a previously unreleased track.