"L.S.F." (or "L.S.F. (Lost Souls Forever)") is the second single released by the British rock group Kasabian. It was the band's first UK Top 10 hit, peaking at # 10 and staying in the Top 75 for five weeks.In May 2007, NME magazine placed "LSF" at number 37 in its list of the 50 Greatest Indie Anthems Ever."L.S.F." was used on the soundtrack for the video game FIFA Football 2004 and SingStar Amped.