Complex sentence: It follows the band on their March 2012 and 2013 tours through Austin, Texas for SXSW and was premiered in April 2013 at Johnny Brenda's in Philadelphia.
Split into simpler sentences: It follows the band on their March 2012 and 2013 tours through Austin, Texas for SXSW. It was premiered in April 2013 at Johnny Brenda's in Philadelphia.