What Tony Award-winning musical theatrer actress had an appearance with  a volunteer effort of 99 gay men from all over the greater Los Angeles metropolitan area?
Gay Men's Chorus of Los Angeles:  Formed July 12, 1979 as a volunteer effort of 99 gay men from all over the greater Los Angeles metropolitan area, GMCLA has grown in size, gained professional artistic and administrative staff, toured nationally and internationally, released fourteen CDs, and appeared with numerous stage, film and television celebrities including Billy Porter, Lily Tomlin, Angela Lansbury, Bea Arthur, Malcolm Gets, Doris Roberts, Jerry Herman, Melissa Manchester, Mary McDonnell, Levi Kreis, Joanna Gleason, Alex Newell, Amber Riley, Charles Pierce, Miss Coco Peru, Valarie Pettiford, Jane Lanier, Randi Driscoll, Margaret Cho, Michael Jeter, Stephen Schwartz, Liz Callaway, Lance Bass, Jennifer Holliday, Tierney Sutton and LeAnn Rimes.
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