9pm LeisureThe wildest costume party west of...

9pm Leisure

The wildest costume party west of New Orleans’ Mardi Gras--the Exotic Erotic Ball, long a San Francisco ritual--is launching the 23rd year of the giddy celebration of sex with a party in Los Angeles. The masquerade extravaganza and its lingerie-clad characters, sideshow performers and musicians will gather at the Sunset Room for the kickoff gala with event founder Perry Mann as host. It’s the first of a cross-country series of parties that will end Oct. 19 at the annual San Francisco event.

The Exotic Erotic Ball, Sunset Room, 1430 N. Cahuenga Blvd., Hollywood. 9 p.m. $35. (888) 396-8426 or www.exoticeroticball.com.

10am Pop Music

The 23rd annual Long Beach Blues Festival wraps up its two-day run, following Saturday’s potent lineup (Robert Cray, Ohio Players, Otis Rush) with a bill highlighted by Etta James, Dr. John and Ike Turner.

Long Beach Blues Festival, Cal State Long Beach Athletic Field, 1250 Bellflower Blvd., Long Beach, 10 a.m. $40 ($70 for both days). (562) 985-5588.

7:30pm Music

Holiday music--Bach’s “Coffee” Cantata, two “Brandenburg” Concertos and Handel’s cantata “Look Down the Harmonious Saint”--makes up the program to be played by Musica Angelica Baroque Orchestra in the John Anson Ford Amphitheatre on this holiday weekend. The vocal soloists are soprano Catherine Webster, tenor Daniel Plaster and bass Curtis Streetman. In “Brandenburg No. 5,” the soloists are violinist Elizabeth Blumenstock, flutist Stephen Schultz and harpsichordist Corey Jamason. Michael Eagan is music director of the period-instrument ensemble.

Musica Angelica Baroque Orchestra, John Anson Ford Amphitheatre, 2580 Cahuenga Blvd. East, Hollywood. 7:30 p.m. $25 to $30. (323) 461-3673.

9pm Pop Music

Drum-and-bass is the beat of the moment on Hollywood Boulevard, as the new Qtopia Events Center hosts a bill titled “Bassrush.” Among those featured will be Roni Size and MC Tali, Adam F and MC MC, DJ Craze and many more exponents of the spare dance-music subgenre.

“Bassrush” with Roni Size, others, Qtopia Events Center, 6021 Hollywood Blvd., L.A., 9 p.m. $30. (323) 960-4489.