Open Mics in Bayamón, PR

A news article published the morning of an Aug 15, 2026 instance confirms Bombazo Vaquero runs at Plaza Ignacio Zorrilla, Bayamón, on a third-Saturday-monthly schedule [s1]. An August 2026 roundup of free events agrees on the same day, time, and organizer [s2]. Whether this counts as an open-participation jam is not stated; sources describe only that the public may attend, bring a chair, and see artisans and bomba music.