The “Memoires of Musick,” by the Honourable Roger North, were first made known to the world, through the extracts given by Dr. Burney in the third volume of his “General History of Music.” The original MS. was then in the possession of the author's son, the Rev. Dr. North, Prebend of Windsor, the editor of his father's works, the “Lives of the Norths,” and the “Examen.” At the death of the Rev. Dr. North in 1779 the MS. in question, together with several others, passed into the hands of Roger North, the author's grandson, and from him to the Rev. Henry North of Ringstead in Norfolk. At the sale of the latter gentleman's library, about four years since, the “Memoires of Musick” had a very narrow escape from destruction, being purchased, with a quantity of others, for a few shillings by one of those persons who attend country sales known by the designation of brokers. The MS. however, together with another, by the same author, entitled “A Discourse relative to the Bariscope,” were fortunately seen and purchased by Mr. Robert Nelson of Lynn in Norfolk; and it is to this gentleman, in conjunction with Mr. G. Townshend Smith, Organist of Hereford Cathedral, to whom Mr. Nelson presented the MS. that we are mainly indebted for its appearance in the present form.