Moving to los angeles,she adopted the name Katy Perry,and worked with the hip production team The Matrix on an album project that was eventually shelved. she also worked with Glen Ballard,the writer and producer famed for his work with Alanis morissette on the multiplatinum album Jagged Little Pill athough the collaboration yielded a track,Simple,that madeit onto the soundtrack of 2005's The Sisterhood of the Traveling Pants,the collaboration failed to kickstart her career.