* Aerosmith bassist Tom Hamilton has left the group's Australian tour after contracting a chest infection. David Hull, who filled in for Hamilton while the bassist was battling cancer, stepped in for the weekend show in Melbourne and will stay with the group for its May 1 date in Brisbane and a May 4 return to Melbourne.
* As per usual before the start of a tour, the Rolling Stones played a surprise club show on Saturday (April 27) at Echoplex in Los Angeles. The group played a 14-song set, with former guitarist MIck Taylor guesting on "Love in Vain" and "Midnight Rambler." The Stones' 50 And Counting North American tour kicks off Friday (May 3) in Los Angeles.
* James Taylor reacted to last week's death of country icon George Jones and remembered their hit collaboration, "Bartender's Blues." Check out The Insider's interview at http://bit.ly/12PDeMV
* "Beware of Mr. Baker," the acclaimed documentary about Cream drummer Ginger Baker, is due out on DVD May 17.
* Elton John says his feud with Madonna is over, ended at a French restaurant where both were dinning last summer. John told Extra that it`s "over and done with" after he bought her dinner.
* Emerson, Lake & Palmer was planning a collaboration with Jimi Hendrix in 1970 that was scuttled when Hendrix died, according to Greg Lake -- who adds that he "never believed it would have worked in the long run."
* The Grateful Dead's Bob Weir collapsed on stage Thursday night (April 25) while performing with his current band Furthur. Bandmate Phil Lesh told the crowd Weir had pulled a shoulder muscle while working out earlier that day, and Weir was back on stage Saturday (April 27) in Atlantic City.
* Three Frank Zappa albums are being re-released on vinyl. Just out is "Finer Moments," an early 70s recording that was released posthumously in 2012. "Freak Out!" and "Over-Nite Sensation" are due in June.
* Forty-five years ago today (April 29), in 1969, the musical "Hair" opened at the Biltmore Theatre in Broadway after woodshedding in Detroit. -- by Gary Graff, WCSX Classic Rock Insider