The longest-running American musical in Broadway history, A CHORUS LINE, follows 17 dancers who are auditioning for eight spots on Broadway. They've made it through the first rounds, but before the final cut is made, the director asks each of them to talk about themselves. Find out about their lives, why they dance and who gets the job. Through March 8. $23-$62. Tues.-Fri., 8 p.m.; Sat., 2 and 8 p.m.; Sun., 1 and 6:30 p.m. Fox Theatre, 660 Peachtree St. 404-817-8700. www.ticketmaster.com.