 David Garrick of the Drury Lane Theatre engaged him to compose music to Garrick's two-act farcical burletta based on the Orpheus myth, which premiered in 1768.In the same year, Barthélemon also premiered "Oithona", a three-act dramatic operatic poem; "La fleuve Scamandre" ("The Scamander River"), a French-style comic opera based on a Greek myth; and "The Judgment of Paris", another two-act burletta.Further engagements lead him to decide to stay in England, where he wed soprano and composer Polly Young in December 1766 and raised a family.