TODAY’S BEST BETS

Jazz

Brazilian composer, guitarist and vocalist Dori Caymmi performs outdoors. Admission is free.

* UCLA/Armand Hammer Museum, 10899 Wilshire Blvd., Westwood, (310) 824-6365. 6:30 p.m.

Music

Southwest Chamber Music plays Mozart, Debussy and more.

* Art Gallery Loggia, Huntington Library, 1151 Oxford Road, San Marino, (800) 726-7147. 7:30 p.m. Also Saturday at 7:30 p.m.

Pop Music

International Pop Overthrow, a 12-day festival featuring more than 140 bands from around the world, kicks off with Joy Poppers, Ron Flynt, Jupiter Affect and Dragster Barbie, among others.

* Jacks Sugar Shack, 1707 N. Vine St., (323) 466-7005. 7:30 p.m.

Pop Music

Wearing Mexican wrestling masks and eschewing vocals, Los Straitjackets let it all fly on the guitars--mowing down the swing revival and “My Heart Will Go On,” among other targets.

* Spaceland, 1717 Silver Lake Blvd., (213) 833-2843. 9 p.m.