Magdalena Bay turns up the rock Miami-by-way-of-LA duo Magdalena Bay became an SFGATE staff favorite over the past year for their candy-coated synth pop. At Portola, they expanded into an explosive four-piece live band, bringing an energetic rock edge worthy of its place on the main festival stage. Bonus points for four costume changes from singer Mica Tenenbaum. - SFGATE senior culture editor Dan Gentile