(PR-inside.com) Legendary pop superstar John Denver : http://cts.businesswire.com/ct/CT?id...f649e31cab837f is to be inducted to the Colorado Music Hall of Fame : http://cts.businesswire.com/ct/CT?id...65661c63ebd35d in a special benefit concert celebrating his music and life, hosted by Olivia Newton-John on Earth Day Eve : http://cts.businesswire.com/ct/CT?id...6c3cea4f28b7fe , April 21, 2011 at 1STBANK Center. Tickets go on sale this Friday, at 10am MT. The stellar evening will feature performances by Olivia Newton-John : http://cts.businesswire.com/ct/CT?id...4941c7335bb769 , Nitty Gritty Dirt Band, Lee Ann Womack, John Oates and other talents in a commemoration to the late musician. Notable John Denver hits will be performed by his ..

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