An introduction to the skill of musick. : In two books. The first: The grounds and rules of musick, according to the gam-ut, and other principles thereof. The second: Instructions & lessons for the bass-viol: and instruments & lessons for the treble-violin. By John Playford. To which is added, The art of descant, or composing musick in parts. By Dr. Tho. Campion. With annotations thereon, by Mr. Chr. Simpson | Collections | The Huntington