sˈʌtʃ ɪmpˈoːɹtənt ˌoʊvɚsˈiːz θˈiəɾɚz æz ðə ɹˈɔɪəl ˈɑːpɚɹə hˈaʊs, kˈɑːvɛnt ɡˈɑːɹdən, lˈʌndən, ænd lˌæ skˈeɪlə, mɪlˈæn, hˈɜːd hˌɪm sˈɪŋ dˈʊɹɹɪŋ ðə nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi z, wˌɛn hɪz ˌɪntɚnˈæʃənəl ɹˌɛpjuːtˈeɪʃən ɐtˈeɪnd ɪts pˈiːk.
Such important overseas theatres as The Royal Opera House, Covent Garden, London, and La Scala, Milan, heard him sing during the 1930s, when his international reputation attained its peak.