In 2011 , the band co-headlined a cross-country tour with Foster the People .
In 2011 , the band made appearances at Lollapalooza , Outside Lands , Reading and Leeds Festivals , and Glastonbury .
In 2011 , the band co-headlined a cross-country tour with Foster the People , and made appearances at Lollapalooza , Outside Lands , Reading and Leeds Festivals , and Glastonbury .