( fl 1351–92). English friar . He was from the Custody of Bristol and was the author-compiler of the Quatuor principalia musice ( GB-Ob Digby 90; CoussemakerS, iv, 200–98; shortened version in GB-Lbl Cotton Tiberius B.IX, ante f. 204-214r; CoussemakerS, iii, 334–64) and the scribe, maker and owner of the earliest extant copy of this work, completed at Oxford on 4 August 1351 and donated by John to the Oxford Franciscans in 1388 with the assent of Thomas de Kingsbury, the 26th provincial minister of the Franciscan order in England. Another book of which John was the author-compiler, scribe, maker and owner, containing the astronomical treatise De situ universorum and two smaller tracts ( GB-Mch 6681), was compiled some time between 1356 (or 1357) and (possibly) 1371, and it includes an explicit date of 1392; several passages in this work indicate that he had been at the Oxford Franciscan convent on ...
revised by Bruce Carr
(b London, March 20, 1804; d Bexley, Kent, March 8, 1881). English organist and writer on music. In 1834 he became organist of St Mary’s (Roman Catholic) Chapel, Chelsea, and composed some masses for its service. Between 1840 and 1860 he published many instruction books for organ, reed organ, concertina and church singing.
Warren was a careful and thorough editor of earlier English music: his edition of Boyce’s Cathedral Music, for example, included new biographies of the composers with exhaustive lists of their works. Such scholarship was facilitated by the large and valuable library he collected during his life, including the partbooks from which he edited Hilton’s Ayres or Fa Las, many unique sale catalogues, and autograph manuscripts of Purcell, A. Scarlatti, Haydn, Mozart and Beethoven. The fruits of his research appeared often in the early Musical World.