 In 1833 he took the role of Don Ottavio in Mozart's "Don Giovanni" at the Royal Opera House, Covent Garden, at five days' notice.In 1833 Maria Malibran chose him as her tenor for Bellini's "La sonnambula", at Covent Garden, and he continued as her leading tenor until her death in 1836.He visited Paris in 1842 before embarking on provincial tours, giving lecture recitals on Scottish, English, and Irish folk-songs.