on june 9, 2000, styx made an appearance with reo speedwagon at the riverport amphitheatre. a 2-cd recording of the concert was released as "", with one disc of each band's set, and both discs concluding with performances of the two bands collaborating on jam versions of styx's "blue collar man" and reo's "roll with the changes". each band also released their set as a separate album, with additional tracks; styx's version was "".