 For Pears, Britten composed one of his most popular works, the Serenade for Tenor, Horn and Strings (1943).In early 1943 Pears joined Sadler's Wells Opera Company.His roles included Tamino in "The Magic Flute", Rodolfo in "La bohème", the Duke in "Rigoletto", Alfredo in "La traviata", Almaviva in "The Barber of Seville", Ferrando in "Così fan tutte" and Vašek in "The Bartered Bride".