In its monthlong SPARE RIB FESTIVAL, Savage Tree Arts Project presents a series of interdisciplinary collaborations exploring the feminine mystique through theater, music and burlesque. The festival centerpiece is Why We Have a Body, a comedy about lesbian sisters. Repertory offerings include Robin Seidman's play about motherhood, God Is a Biker Chick; a dance show inspired by Euripides' Trojan Women; and the vaudeville-style performance Dutch Loves Bijoux. $15. Performance times vary. Through April 23. Academy Theatre, 12 N. Clarendon Ave. 770-798-1350. www.savagetree.org.