Deepest Purple: The Very Best of Deep Purple is a compilation album by the British hard rock band Deep Purple, released in 1980. It features the original hits of Deep Purple before their 1984 reunion. Aided by a TV advertising campaign it would become Purple's third UK #1 album. It was at one point the longest album ever released as a single LP, but it was overtaken by Def Leppard's Hysteria album in 1987. This also marked the debut of "Demon's Eye" for the North American release, where it was...