Founding member of Asia & Emerson, Lake & Palmer. "Remembering Keith and the Music of Emerson, Lake & Palmer" tour pays tribute to his prog-rock legacy & late Keith Emerson. 8 p.m. Friday, Olympia Theater, 174 E. Flagler St., Miami, $35-$130, 305-374-2444, olympiatheater.org.
Led Zepppelin tribute band. 7:30 p.m. Friday, Mizner Park Amphitheater, 590 Plaza Real, Boca Raton, free, 561-393-7984, myboca.us.
British prog rock band. 8 p.m. Friday, Boca Black Box Center for the Arts, 8221 Glades Rd., Boca Raton, $15-$30, 561-483-9036, bocablackbox.com.
Beatles tribute. 5:30 p.m. Friday, The Hub, 300 S. Fort Lauderdale Beach Blvd., Fort Lauderdale, free, fridaynightsoundwaves.com.
Also: Taking Back Sunday, Early November, Saosin. 6:30 p.m. Friday,