Sondheim wrote both the music and the words to his musicals.
s ɑ n d h aɪ m WORD_BOUNDARY ɹ oʊ t WORD_BOUNDARY b oʊ θ WORD_BOUNDARY ð ə WORD_BOUNDARY m j uː z ɪ k WORD_BOUNDARY æ n d WORD_BOUNDARY ð ə WORD_BOUNDARY w ɜː d z WORD_BOUNDARY t ə WORD_BOUNDARY h ɪ z WORD_BOUNDARY m j uː z ɪ k ə l z WORD_BOUNDARY