 In the Spring of 1919 he toured the United States with the Scotti Opera Company, singing Pinkerton, Turiddu, and Win-San-Lui.Harrold was one of the leading tenors at the Metropolitan Opera in New York City from 1919 to 1924.He made his debut at the Met as Prince Leopold in Fromental Halévy's "La Juive" with Enrico Caruso as Eléazar and Rosa Ponselle as Rachel.