SHAKE or TRILL (Fr. Trille, formerly Tremblement, Cadence; Ger. Triller; Ital. Trillo). The shake, one of the earliest in use among the ancient graces, is also the chief and most frequent ornament of modern music, both vocal and instrumental. It consists of the regular and rapid alternation of a given note with the note above, such alternation continuing for the full duration of the written note.
The shake is the head of a family of ornaments, all founded on the alternation...