ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti wˈʌn, ɪt pɹˈoʊɡɹæmd "hˈɪt pɚɹˈeɪd sˈɛvənti wˈʌn" baɪ dˈeɪ, ænd pɹəɡɹˈɛsɪv ɹˈɑːk æt nˈaɪt, wɪð ɐ lˈaɪv dˈɪsk dʒˈɑːki dˈʊɹɹɪŋ ðə ɹˈɑːk ˈaʊɚz.
In 1971, it programmed "Hit Parade '71" by day, and Progressive rock at night, with a live disc jockey during the rock hours.