The performance of the new song, co-written by Cronin and Shaw, celebrates the rockers' recently announced Can't Stop Rockin' 2009 tour, which begins May 12.
The new musical comedy Rock of Ages opened April 7 after previews from March 17.
Rock of Ages, starring Constantine Maroulis ("American Idol"), "is an arena-rock love story told through the mind-blowing, face-melting hits of Journey, Bon Jovi, STYX, REO Speedwagon, Pat Benatar, Foreigner, Twisted Sister, Poison, Asia, Whitesnake and many more."
The show is written by Chris D'Arienzo, directed by Kristin Hanggi and choreographed by Kelly Devine.
Tickets for the musical and the STYX/REO Speedwagon live performance of "Can't Stop Rockin'" (at no extra charge) on April 27 can be purchased via Ticketmaster.com or at (212) 307-4100 or in person at The Brooks Atkinson Box Office (256 W. 47th Street).