fɔːɹ ˈɪnstəns ɪnðɪ ˈɜːli nˈaɪntiːnhˈʌndɹɪd sˈɛvənti z, ðə mjˈuːzɪk dᵻpˈɑːɹtmənt æt ðə jˌuːnɪvˈɜːsᵻɾi ʌv jˈɔːɹk pɚfˈɔːɹmd ɐn ˈɑːpɚɹə, ˈɜːmə, dɪvˈaɪzd baɪ fˈɪlɪps ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti nˈaɪn, hˌuːz lˈɪɹɪks ænd plˈɑːt wɜː bˈeɪst ˌɔn ɐ hjˈuːmjuːmənt.
For instance in the early 1970s, the Music Department at the University of York performed an opera, Irma, devised by Phillips in 1969, whose lyrics and plot were based on A Humument.