Complex sentence: Pepper appeared on all dates of the 2007 Warped Tour, toured with The Expendables and Passafire, on their "That's Where I Wanna Be..." 42 stop tour from October to December 2007.
Split into simpler sentences: Pepper appeared on all dates of the 2007 Warped Tour. Pepper toured with The Expendables and Passafire, on their "That's Where I Wanna Be..." 42 stop tour from October to December 2007.