Dengue FeverTonight: SHIM, Virgin Islands at Chop Suey, 9 p.m., $10SHIM hasn’t released fresh material in almost two years now (according to their MySpace page, they’re currently in the process of recording a new album), but this is a band that’s always been about the live performances anyway.Tomorrow: Dengue Fever, Lushy, Darek Mazzone at Neumos, 8 p.m., $15 adv.Long before Vampire Weekend began making overtures to Afropop, L.A.’s Dengue Fever were infusing indie rock with ’60s Cambodian psych, of all things.Nobunny, Spurm, Thee Headliners, Butts at the Funhouse, 9:30 p.m., $7Prepare to get your ass rocked off by a guy in a bunny mask.