A dozen cultural institutions around Dallas will mark the 30th anniversary of AIDS with a benefit performance, A Gathering, at the Winspear Opera House on Dec. 6.

The event will feature a cast of 200 volunteers from a variety of artistic disciplines, including opera, dance, music and theater. Among the participating groups announced are the Bruce Wood Dance Project, the Turtle Creek Chorale, the Texas Ballet Theater, the Dallas Opera and the Dallas Theater Center.

Proceeds go to Resource Center Dallas, AIDS Arms, AIDS Interfaith Network and AIDS Services of Dallas. Tickets go on sale Oct. 31 at 10 a.m.  Click here for tickets.