He partnered many of Germany's best sopranos, mezzo-sopranos, tenors and basses of the inter-war years, while Bruno Walter completed a triumvirate of lastingly famous conductors with whom he appeared (the others being, as we have seen, Toscanini and Beecham).
hiː pˈɑːɹtnɚd mˈɛnɪəv dʒˈɜːməniz bˈɛst səpɹˈɑːnoʊz, mˈɛzoʊsəpɹˈɑːnoʊz, tˈɛnɚz ænd bˈeɪsᵻz ʌvðɪ ˌɪntɚwˈɔːɹ jˈɪɹz, wˌaɪl bɹˈuːnoʊ wˈɔltɚ kəmplˈiːɾᵻd ɐ tɹaɪˈʌmvᵻɹˌeɪt ʌv lˈæstɪŋli fˈeɪməs kəndˈʌktɚz wɪð hˈuːm hiː ɐpˈɪɹd ðɪ ˈʌðɚz bˈiːɪŋ, æz wiː hæv sˈiːn, tˌɑːskɐnˈiːni ænd bˈiːtʃæm.