Authentication Score 3
Citation
Gershwin, Ira. "It Ain't Necessarily So." Porgy and Bess. Composed by George Gershwin. 1935, Colonial Theatre, Boston, MA, USA.
Opera
Gershwin, Ira. "It Ain't Necessarily So." Porgy and Bess. Composed by George Gershwin. 1935, Colonial Theatre, Boston, MA, USA.
Gilbert, William Schwenck. Iolanthe; or, The Peer and the Peri. Composed by Arthur Sullivan. 1882, Savoy Theatre, London, England, UK, act 2.
Gilbert, William Schwenck. His Excellency. Composed by F. Osmond Carr. 1894, Lyric Theatre, London, England, UK.