Gigantour: Pure metal with Megadeth, High on Fire and more. 5:30pm.
LONG BEACH ARENA 300 E Ocean Blvd, Long Beach 90802. 562.436.3661. longbeachcc.com.

Free!: Suja Lowenthal hosts a free evening for Second District residents and guests. 6:30pm.
AQUARIUM OF THE PACIFIC 100 Aquarium Way, Long Beach 90802. 562.590.3100; aquariumofpacific.org.

Radical Cinema: Screening “OutFoxed: Rupert Murdoch’s War on Journalism.” 7pm.
GOOD VIBES CAFÉ 510 E Broadway, Long Beach 90802. 562.590.5839.

Coffee with the Commander: Meet with members of the LBPD about how to avoid scams. 6pm.
GROUNDS BAKERY AND CAFE 6277 E Spring St, Long Beach 90808.

The Cave Singers: Plus Moonrats and Triumph of Lethargy. 8:30pm. $10. 18+.
THE ECHO 1822 Sunset Blvd, Los Angeles 90026. attheecho.com.