Isabel Emily Jay was an English opera singer and actress, best known for her performances in soprano roles of the Savoy Operas with the D'Oyly Carte Opera Company and in Edwardian musical comedies. During Jay's career, picture postcards were immensely popular, and Jay was photographed for over 400 different postcards.

The Rose of Persia; or, The Story-Teller and the Slave, is a two-act comic opera, with music by Arthur Sullivan and a libretto by Basil Hood. It premiered at the Savoy Theatre on 29 November 1899, closing on 28 June 1900 after a profitable run of 211 performances. The opera then toured, had a brief run in America and played elsewhere throughout the English-speaking world.