LOS ANGELES, CA - MAY 31: (L-R) Musicians Nancy Wilson and Ann Wilson of Heart perform onstage during the 8th Annual MusiCares MAP Fund Benefit at Club Nokia on May 31, 2012 in Los Angeles, California. The MusiCares MAP Fund benefit raises resources for the MusiCares MAP Fund, which ... moreprovides members of the music community access to addiction recovery treatment. More information at musicares.org. (Photo by Maury Phillips/WireImage) Close