A briefe and short instruction of the art of musicke to teach how to make discant, of all proportions that are in vse: very necessary for all such as are desirous to attaine to knowledge in the art; and may by practice, if they can sing, soone be able to compose three, foure, and five parts: and also to compose all sorts of canons that are usuall, by these directions of two or three parts in one, upon the plain-song. By Elvvay Bevin.