[English Music] Gay, John. (1685-1732) The Beggar's Opera As it is Acted at the Theatre-Royal... [Bound with]: John Gay. Polly: An Opera Being the Second Part of The Beggar's Opera.The Beggar's Opera As it is Acted at the Theatre Royal London: John Watts, 1729. Third edition. BUC p. 96. RISM P1195. [Bound with] John Gay. Polly: An Opera Being the Second Part of The Beggar's Opera. London: Printed by the Author, 1729. First edition. BUC p. 801. RISM P1222. Two quarto volumes bound into one. [viii], 60, 46 (engraved pages of music), [2], [viii], 72, 31 (engraved pages of music), [1, blank] pages. Bound in contemporary vellum over