Every Wed., Fri., & Sat. All invited to play one of 200 songs, with melodies transcribed in numbers, on the 17-bell chime’s numbered keys. Ambitious players can add chords. Kids welcome. Noon–12:30 p.m. (Fri. & Wed.) & 10:30–11 a.m. (Sat.). Kerrytown Market. Free. ofGlobal@aol.com.