Orfeo ed Euridice Orpheus and Eurydice; an opera, in the Grecian taste. As perform'd at the King's-Theatre in the Hay-Market. The music ... by Signor Gluch, ... Signor Bach has ... condescended to add his own new composition ... The poetry is from Signor Calzabigi, with additions by G. G. Bottarelli - Calzabigi, Ranieri de 1714-1795 (printed by W. Griffin, 1770)