At the outset of its 30th anniversary season, 7 Stages Theatre lets the sunshine in with HAIR: THE AMERICAN TRIBAL LOVE-ROCK MUSICAL. Directed by Del Hamilton, Hair features a live rock band composed of such veteran Atlanta musicians as guitarist Rob Thompson, guitarist Sam McPherson, bassist Steve McPeeks and drummer David Miksch playing hippie standards like "Aquarius." Warning to the squares: As usual for Hair, the cast will let it all hang out. Through Oct. 10. $15-$30. Thurs.-Sat., 8 p.m.; Sun., 5 p.m. 1105 Euclid Ave. 404-523-7647. www.7stages.org.