Gloucester: A concert to benefit the Cape Ann Vernal Pond Team and Kestrel Educational Adventures features James Montgomery and Friends, a rare acoustical performance by David Hull, and a surprise guest. Tonight at 7, Cruiseport Gloucester, 6 Rowe Square. $30. 978-282-9700, www.capeannvernalpond.org.
Ipswich: Project Trio is a classical group featuring flutist Greg Patillo, bass player Peter Seymour, and cellist Eric Stephenson. Friday, 7:30 p.m., Ipswich Performing Arts Center, 134 High St. Free. 978-356-3137. www.imadaonline.org.
Salisbury: Todd Rundgren, founder and frontman of the ’60s cult group Nazz, shot to solo success in 1972 with “Something/Anything?’’ His hits include “I Saw The Light,’’ “Hello It’s Me,’’ and “Bang the Drum All Day.’’ Wednesday, 8 p.m. Blue Ocean Music Hall, 4 Oceanfront North. $45/$55. 978-462-5888, www.blueoceanhall.com.
Somerville: Brasileiro, a celebration of Brazilian culture, features music, food, dancing, and activities. . Saturday, 3 to 7 p.m. Union Square Plaza, Somerville Avenue. and Washington Street. Free. 617-955-0080, www.somervilleartscouncil.org.
Event organizers: Submit items directly to boston.com/addevents.