Jason Mraz

Breezy and buoyant describe Jason Mraz’s music. Granola and green describe his vibe. And good-time describes the impact of his hits “I’m Yours” and “Lucky.” “I Won’t Give Up” boosted this year’s “Love Is a Four Letter Word,” which suggests the San Diego lite-rock star hasn’t changed much, past the platinum mark. Opening is Christina Perri, the voice behind “Jar of Hearts.” Jon Bream