(Fr. méchanique; Ger. Mechanik, Mechanismus; It. meccanica).
(1) The linkage between the fingers (or feet) and the sound-producing parts of an instrument. Hence, the mechanism by means of which the strings or pipes of a keyboard instrument are sounded when a key is depressed, e.g. tracker action, pneumatic action, electric action, etc. in organs (see Organ §II...