Infinity on High is the third studio album by American rock band Fall Out Boy, released on February 5, 2007 by Island Records as the follow-up to the band's commercially successful 2005 album From Under the Cork Tree. Pre-production began in the group's hometown of Chicago, where writing and rehearsal sessions took place. It was recorded from July to October 2006 at the Pass Studios in Los Angeles, California and mixed at the Paramount Recording Studios in Hollywood.