Complex sentence: He has toured in the US and played some dates in Europe in support of "Soul Punk" and "Truant Wave", and opened for Panic! at the Disco on their month-long US fall tour which began on October 9,2011.
Split into simpler sentences: He has toured in the US and played some dates in Europe in support of "Soul Punk" and "Truant Wave". He supported Panic! at the Disco on their month-long US fall tour that began on October 9,2011.