ðə sˈɔŋ wʌz ɹˈɪʔn̩ baɪ ɹˈɪtʃɚd ænd ɹˈɑːbɚt ʃˈɜːmən fɚðə kˌæɹəsˈɛl ʌv pɹˈɑːɡɹɛs, wˈʌn ʌv fˈoːɹ ɐtɹˈækʃənz wˈɔlt dˈɪzni ænd hɪz ɪmˌædʒɪnˈɪɹz dɪvˈɛləpt fɚðə nˈaɪntiːnhˈʌndɹɪd sˈɪksti fˈoːɹ nˈuː jˈɔːɹk wˈɜːldz fˈɛɹ.
The song was written by Richard and Robert Sherman for the Carousel of Progress, one of four attractions Walt Disney and his Imagineers developed for the 1964 New York World's Fair.