Metamorphosis is the sixth album by California alternative metal band Papa Roach. It was released by DGC/Interscope on March 24, 2009. The album was originally planned to be titled Days of War, Nights of Love, which is a lyrical quote from the song "No More Secrets" on the band's previous album, The Paramour Sessions. Subsequently, two songs on the album are titled "Days of War" and "Nights of Love". This is their first album to feature Tony Palermo on drums, after the departure of Dave Buckner.