The Thursdays perform during Aca-Pocalypse, a two-day event of exceptional a cappella music, which was hosted at Chelmsford High School on April 10 and 11, 2026.

WATCH: Chelmsford High hosts Aca-Pocalypse 2026

Aca-Pocalypse, a two-day event of exceptional a cappella, was hosted at Chelmsford High School’s Carl J. Ronda Perfroming Arts Center on April 10 and 11, 2026.

Presented by the Association of Chelmsford A Cappella (ACA), the event was emceed by members of Pitch, Please, Northeastern University’s women-centered treble a cappella group, which also performed both nights of the event.

Groups that performed during the weekend included NOTEorious (North Reading), The Rolling Tones (Bedford), Parker Select (Chelmsford),  McMelody (Chelmsford), The Crescendos (Chelmsford), The Thursdays (Chelmsford), Note-A-Fy (Brookline), Trills ‘N Chills (Millis), Soundscape (Wilmington), NewTones (Newton), Voices ReChoired (Marlborough) and Perfect Pitch (Brookline).   

We offer our heartfelt thanks to our friends at Chelmsford Telemedia for their continued support in streaming CPS events.