<P> During the credits, Cuddy talks about the future of the band and Beers is shown to have taken up Irish Dancing after leaving Steel Dragon . </P> <P> The band members are portrayed by ex-Dokken and current Foreigner bassist Jeff Pilson, Black Label Society founder & Ozzy Osbourne guitarist Zakk Wylde, actor Dominic West, and ex-Foreigner and Black Country Communion drummer Jason Bonham (the son of the late John Bonham, drummer for Led Zeppelin). Myles Kennedy, who was at the time the lead vocalist of The Mayfield Four and now the frontman of Alter Bridge and Slash's solo project, makes a cameo appearance . </P> <P> The singing voice for Wahlberg's character was provided by Steelheart frontman Miljenko Matijevic for the Steel Dragon Songs, the final number was dubbed by Brian Vander Ark . Jeff Scott Soto (of Talisman, Yngwie Malmsteen, Soul SirkUS, and Journey) provided the voice of the singer Wahlberg's character replaces . Kennedy is the only actor whose actual voice is used. . Ralph Saenz (Steel Panther) also appears briefly, as the singer auditioning ahead of Chris at the studio . </P> <P> Blood Pollution (Chris Cole's former band and a Steel Dragon tribute band) is also made up of known musical artists, including guitarist Nick Catanese (Black Label Society), drummer Blas Elias (Slaughter), and bassist Brian Vander Ark (The Verve Pipe, who also contributed a song to the film's soundtrack). Actor Timothy Olyphant portrays Blood Pollution's guitarist, Rob Malcolm . Bradley, the singer who replaces Chris in Blood Pollution, is played by Third Eye Blind frontman Stephan Jenkins . </P>

Who did the singing in the movie rock star