text_original: Herr Mainz was at the piano ready to accompany the two singers whose engagement he had negotiated.
text_transcription: HERR MINCE WAS AT THE PIANO READY TO ACCOMPANY THE TWO SINGERS WHOSE ENGAGEMENT HE HAD NEGOTIATED
phonemes: hˈɛɹ mˈeɪnts wʌz æt ðə piˈænoʊ ɹˈɛdi tʊ ɐkˈʌmpəni ðə tˈuː sˈɪŋɚz hˌuːz ɛŋɡˈeɪdʒmənt hiː hæd nᵻɡˈoʊʃɪˌeɪɾᵻd.