Gavin DeGraw & Colbie Caillat


Twin pillars of the triple-A radio format, DeGraw and Caillat have both outlasted the singles that once seemed sure to consign them to one-hit wonderdom. Artistically speaking, he’s never improved upon “I Don’t Want to Be,” but she’s actually got several tunes better than “Bubbly,” including the irresistibly strummy “Fallin’ for You.” With Andy Grammer.

Sat., June 2, 6 p.m., 2012