Elmo's Rockin' Road Trip is a 2007 Sesame Street book that comes packaged with a detachable toy mp3 player. The book has 14 pages of lyrics to twenty songs, which are arranged a few to a page by themes such as "Sesame Street", farm songs, camp songs, and Hawaiian songs. The lyrics to the songs have been modified to include references to Sesame characters (eg. "Elmo went over the mountain").