The American Music Festival at Berwyn roots club FitzGerald’s is more reliable than most summer music events—in fact, it can be reliable to a fault. Its 33rd installment, which runs from Wednesday through Saturday, features many artists familiar from previous lineups—Alejandro Escovedo,

Boston’s Sarah Borges (Saturday at 7:15 PM in the club) sharpens her hooks on the new Radio Sweetheart (Lonesome Bay), broadening her stylistic palette with rockabilly sass, concise power pop, and even a dash of soul (on “Big Bright Sun”). She’s also dropped longtime backing band the Broken Singles; for this set she’s backed by twangy Beantown rockers Girls Guns & Glory.

Wed 7/2, 4:30 PM-1 AM, Thu 7/3, 4:30 PM-2 AM, and Fri-Sat 7/4-7/5, 1 PM-3 AM $30 per day, $5 per day for children 12 and under, $100 four-day pass all-ages till 10 PM, 21+ after