Plans for tonight: 311 gets Stoopid at Usana
• Reggae/rock groups 311 and Slightly Stoopid share the bill at Usana Amphitheatre, 5150 S. 6055 West, West Valley City. Opening act: Soja. Show starts at 6:30. Tickets, from $34 to $59, available at Smith's Tix.
• British folk-rockers Mumford & Sons perform at Saltair, 12408 W. Saltair Drive, Magna. Opening acts: Nathaniel Rateliff, Slow Club. Show starts at 8. The show is sold out.
• New wave/pop artist Theophilus London performs at The Urban Lounge, 241 S. 500 East, Salt Lake City. Opening acts: Dopethought, The Vibrant Sound, DJ Flash & Flare. Show starts at 9. Tickets are $17, at 24Tix.