Dancing Moons Festival: Oakland Ballet. “Double Happiness,” featuring world premieres by Phil Chan and Wei Wang. 7:30 p.m. Thursday-Friday April 30-May 1; 2:30 and 7:30 p.m. Saturday, May 2. Great Star Theater, 636 Jackson St., S.F. $30-$70. • “Angel Island,” featuring Volti and the Del Sol Quartet. 7:30 p.m. Friday, May 8; 2:30 p.m. Saturday, May 9. Herbst Theatre, 401 Van Ness Ave., S.F. $56-$158. • “Voices of Angel Island: Music, Memory and Movement with Huang Ruo,” an intimate conversation with Huang Ruo, choreographer Phil Chan and members of the Del Sol Quartet, moderated by San Francisco performance artist Sidney Chen. 6-8 p.m. Tuesday, May 5. Tickets start at $175. Green Room, Herbst Theatre, 401 Van Ness Ave., S.F. oaklandballet.org