Dahl's treatment, helped by support from Rachmaninoff's own family and friends, cured the composer, who dedicated his Piano Concerto No. 2 (1901) to Dahl.
dˈɑːlz tɹˈiːtmənt, hˈɛlpt baɪ səpˈoːɹt fɹʌm ɹˈætʃmɐnˌɪnɔfs ˈoʊn fˈæmɪli ænd fɹˈɛndz, kjˈʊɹd ðə kəmpˈoʊzɚ, hˌuː dˈɛdᵻkˌeɪɾᵻd hɪz piˈænoʊ kəntʃˈɛɹɾoʊ nˈoʊ. tˈuː nˈaɪntiːnhˈʌndɹɪd wˈʌn tə dˈɑːl.