Revival is the 21st studio release of the Christian rock band Petra and their third praise album. It was released on November 20, 2001. Again, this album was released amidst some major changes for the band. Three members had departed the band, so Bob Hartman decided to return from his self-retirement to help cement the ground for their next album. Also, the band was dropped from their label (Word/Epic) which started a search for a suitable record label to launch their next album.