UMass Amherst S#arp Attitude's annual all-treble spring invitational, Treble Jam, will take place on Saturday, April 18th, 2026 at 4pm, at the Unitarian Society of Northampton, 220 Main St. Treble Jam celebrates the unique sound and community of all-treble a cappella in an inclusive and supportive space. This year's concert features UMass S#arp Attitude, the Clark University Counterpoints, Emmanuel College For Good Measure, Smith College Blackappella and POCappella, UCONN Drop the Bass, and the Smith College Vibes.
Admission by donation. All proceeds benefit Manna Community Kitchen, an essential local nonprofit that provides meals, support and connection for those in need.
