LOS ANGELES, CA - MAY 31: (L-R) Musicians Mike Inez, William DuVall, Sean Kinney and Jerry Cantrell of Alice In Chains 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 ... more for the MusiCares MAP Fund, which provides members of the music community access to addiction recovery treatment. More information at musicares.org. (Photo by Kevin Winter/WireImage) Close