hiː dˈɛdᵻkˌeɪɾᵻd mˈʌtʃ tˈaɪm tə ðə lˈæŋɡwɪdʒ ænd spˈoʊk ɪt wˈɛl; ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈaɪv hiː mˌeɪd ɐ ɹᵻkˈoːɹdɪŋ ʌv sˌʌm ʌvðɪ ɛspɚɹˈæntoʊ sˈɔŋz wɪððə wˈɛlnˈoʊn mˈɛzoʊsəpɹˈɑːnoʊ sˈɪbɪl mˈɪtʃɪlˌoʊ.
He dedicated much time to the language and spoke it well; in 1965 he made a recording of some of the Esperanto songs with the well-known mezzo-soprano Sybil Michelow.