Phineas and Ferb: The Soundtrack is a soundtrack for Phineas and Ferb (film). The film contains ten songs, which includes a different renditions of theme song, Perry's theme song, and the Quirky Worky Song. The seven other songs are original songs, six are which written by CCs and Cream, Martin Olson, Danny Jacob, with Dan Povenmire and Jeff "Swampy" Marsh which are "A Busting Explanation", "Cheer Up!", "Summer Sunshine", "Ultimate Phinale", and two unannounced songs. This last song is personally written by Olivia Olson which is named "Simple Life" which is used for the end credits. Several songs include a choir.