Humble Pie’s Joint Effort has been locked up since 1975 – until now.

Joint Effort will be released on Feb. 8. Although the album was recorded between 1974 and 1975, the band’s record label had rejected it. The title was inspired by Steve Marriott and bassist Greg Ridley working together outside of the band.

Along with never-before-heard songs, Joint Effort will also feature covers recorded by the Beatles (“Rain”), Betty Wright (“Let Me Be Your Lovemaker”) and James Brown (“Think”).

Read the full story on Ultimate Classic Rock.