Simple by Katy Perry Song Info
"Simple" is a song written by Katy Perry, Glen Ballard, and Matt Thiessen. It was recorded for Perry's unreleased album, (A) Katy Perry. Due to the unreleased state of the album, the song was later included in the soundtrack to the movie-adaption of The Sisterhood of the Traveling Pants in 2005. The song was used as as piano intro as a mashup whit Spiritual for the acoustic act on the Primatic World Tour.