The Who's guitarist Simon Townshend, left, lead singer Roger Daltrey, second left, drummer Zak Starkey, third left, and lead guitarist Pete Townshend perform at the Wachovia Center in Philadelphia, Tuesday, Sept. 12, 2006. The Who kicked off their first major concert tour in more then 20 years Tuesday.
Elton John performs on stage at a BBC showcase at LSO St. Luke's on Sept. 11, 2006, in London, England. John's new album "The Captain and the Kid" is due for release on Sept. 18.
Singer John Mayer performs a song from his new album "Continuum" Monday morning, Sept. 11, 2006, during a free concert hosted by radio station 101.9 FM at the House of Blues in Chicago. The album was released nationwide on Sept. 12.
Black Eyed Peas singer Fergie performs prior to the Arizona Cardinals vs San Francisco 49ers NFL football game Sunday, Sept. 10, 2006, at Cardinals Stadium in Glendale, Ariz.
Irish music band Westlife, from left, Shane, Kian, Nicky and Mark perform during their concert in Hong Kong Saturday, Sept. 9, 2006.
U.S. blues singer B.B. King performs during his final farewell concert in Berlin on Thursday, Sept. 7, 2006.
Grammy award winner Diddy performs at the 2006 NFL Opening Kickoff concert Thursday, Sept. 7, 2006, in Miami Beach, Fla.
Singer Fergie of the Black Eyed Peas dances with Elton John in New York's Radio City Music Hall during the Fashion Rocks concert Thursday, Sept. 7, 2006 in New York.
Sir Elton John performs Wednesday, Sept. 6, 2006, in New York. John was performing old hits and new songs from his album "The Captain & The Kid", which will be released on Sept. 19.
John Rich, of the country duo Big & Rich performs, Friday, Aug. 25, 2006, in Hopewell, N.Y.
John Mayer performs at the Saratoga Performing Arts Center, in Saratoga Springs, N.Y., Friday, Aug. 25, 2006.
Sheryl Crow performs at the Saratoga Performing Arts Center, in Saratoga Springs, N.Y., Friday, Aug. 25, 2006.
Singer Lionel Richie performs on stage during ABC's "Good Morning America" summer concert series in New York's Bryant Park Friday, Aug. 25, 2006. Richie, who had a series of hits during the 1970s and 80s as the lead singer of the Commodores, has had a solo career since then. His new album, "Coming Home," was released on Sept. 12.
Sean Paul takes a break from touring with Mariah Carey by jumping onto the stage at Pacha New York on Thursday, Aug. 24, 2006, to perform an impromptu concert of his hit song "Temperature" to a sea of fans with camera phones and followed up with a freestyle session.
Sean Paul performs in front of a backup singer at Madison Square Garden as the opening act for Mariah Carey on her "The Adventures of Mimi: the Voice, the Hits, the Tour," in New York, Wednesday, Aug. 23, 2006.
Mariah Carey performs at Madison Square Garden on her "The Adventures of Mimi: the Voice, the Hits, the Tour," in New York, Wednesday, Aug. 23, 2006.
The Rolling Stones members Rom Wood, left, and Keith Richards perform on stage at Twickenham Stadium on Sunday, Aug. 20, 2006, in London, England.
Madonna performs during a concert at the LTU Arena in Dusseldorf, western Germany, Sunday evening, Aug. 20, 2006. Madonna brought her worldwide "Confessions" tour to Germany when the pop diva drew a crowd of 45,000 to Dusseldorf's LTU Arena on the first of two concerts in Germany.
Singer Carrie Underwood performs on stage during ABC's "Good Morning America" summer concert series in New York, Friday, Aug. 11, 2006. The "American Idol" winner has a song in the country top ten singles listings, "Don't Forget to Remember Me."
A barefoot Cyndi Lauper interacts with the audience as she performs during NBC's "Today" summer concert series in New York's Rockefeller Center, Friday, Aug. 4, 2006.