Complex sentence: In support of "Hellafornia," Dexter Danger booked four national tours in 2005, including a summer tour, which also included an appearance at the San Antonio date of Warped Tour.
Split into simpler sentences: In support of "Hellafornia," Dexter Danger booked four national tours in 2005. The band's summer tour, included an appearance at the San Antonio date of Warped Tour.