Since 1994, Hyannis Sound has been Cape Cod's most durable summer institution: ten college-aged men in khakis and pastels, no instruments, just voices spanning pop, rock, and R&B. Founded by Townsend Belisle, the rotating roster reassembles every Memorial Day for weekly concerts from Falmouth to Chatham, street sets, and private gigs. They've recorded 16 albums, crossed a million TikTok…
