Simplify the following text for a Grade 9 native English-speaking person.
Original: Like several previous years , the band participated in the Warped Tour , although they decided only to perform on the tour 's west coast swing from August 6 to August 17 .
Simplified: Like many past years , the band participated in the Vans Warped Tour , although they only performed on the tour 's west coast swing from August 6 to August 17 .