Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Pete Townsend performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Pete Townsend performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltrey and Pete Townsend perform during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltrey and Pete Townsend perform during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltrey performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltrey performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltre yand Pete Townsend perform during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltre yand Pete Townsend perform during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltre yand Pete Townsend perform during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltre yand Pete Townsend perform during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Pete Townsend performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Pete Townsend performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Pete Townsend performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltrey and Pete Townsend perform during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: Elvis Costello performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: Elvis Costello performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: Elvis Costello performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: Elvis Costello performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: Elvis Costello performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: Elvis Costello performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Zak Starkey performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltre yand Pete Townsend perform during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltre yand Pete Townsend perform during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltre yand Pete Townsend perform during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: Elvis Costello performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Pete Townsend performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Pete Townsend performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: Atmosphere during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltrey and Pete Townsend perform during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)

Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center

NEW YORK, NY - FEBRUARY 28: The Who's Roger Daltrey performs during the Who Cares Benefit For Teen Cancer America Memorial Sloan-Kettering Cancer Center at The Theater at Madison Square Garden on February 28, 2013 in New York City. (Photo by Rick Diamond/Getty Images)