Hippy Bluegrass Church at eTown and other Boulder events on Sunday

Nick Forster’s Hippy Bluegrass Church: 10:30 a.m. Sunday, eTown, 1535 Spruce St., Boulder. eTown’s Nick Forster hosts a lively community gathering and his brand of “guilt-free gospel,” featuring sing-alongs, storytelling, poetry and bluegrass music. $20, events.humanitix.com.