A concise and easy treatise on singing addressed to the delettanti in music who are desirous of performing duets, or any vocal music in parts, the rules are calculated to remove all difficulties, and to make the study as plain & pleasant as possible with a set of English duets for beginners, By Dr. Nares, organist & composer to His Majesty - Nares, James 1715-1783 (printed for the author and sold by John Preston at his music warehouse No. 97, Strand & all the music shops in town and country, 1786)