So far, there have only been four ("Rush", "Never Far Behind", "Chemicals React", and "Potential Breakup Song"). The song was later also included on the deluxe edition of Into the Rush, which was released on August 8, 2006.
Up to this point, only four songs have been released: "Rush", "Never Far Behind", "Chemicals React", and "Potential Breakup Song". The song was later added to the deluxe edition of Into the Rush, which came out on August 8, 2006.