A carillon (/kaʁijɔ̃/, /ˈkærɪljɒn/ or /kəˈrɪljən/)'s a musical instrument (usually housed in the bell towers of church towers, belfries, or in municipal buildings) consisting of at least 23 cast bronze cup-shaped bells which are played one after the other (to play a melody) or sounded together (to play a chord). A carillon's played by striking a keyboard (called a "baton") with the fists and by pressing the keys of a pedal keyboard with the… (More on Carillon)