 Recorded during three days in December 1966 for Mainstream Records, it was released in the summer of 1967, shortly after the band's major success at the Monterey Pop Festival.Columbia took over the band's contract and re-released the album, adding two extra tracks, and putting Joplin's name on the cover.Several tracks on the album were released as singles, the most successful being "Down on Me" on its second release, in 1968.