Friday, July 20

Jonathan Scales Fourchestra is a jazz/funk project featuring the unconventional steel drum playing of its namesake, who’s almost singlehandedly saving the instrument from the clutches of Caribbean kitsch. The great Maine drum-and-cello duo Quad opens at Bayside Bowl (58 Alder St., Portland) at 8 p.m. Free (all ages). 791-2695. baysidebowl.com.