The Arizona Choir and guest dancers including members of the Art.if.Act Dance Project perform Gian Carlo Menotti's The Unicorn, the Gorgon and the Manticore, or, The Three Sundays of a Poet in honor of the 100th anniversary of his birth. Performances are at 7 p.m., Saturday, Oct. 22; and 2 p.m., Sunday, Oct. 23. $15 to $20. Visit arizona.tix.com for tickets.