ɪt dˈɛmənstɹˌeɪts ðə mˈuːv fɹʌmðə mjuːsˈiːk kˈɑːŋkɹiːt ænd tˈeɪpmənˌɪpjʊlˈeɪʃən tɛknˈiːks jˈuːzd ɪnðɪ ˈɜːli dˈeɪz, tə ðə sˈɪnθɪsˌaɪzɚ wˈɜːks ʌvðə nˈaɪntiːnhˈʌndɹɪd sˈɛvənti z.
It demonstrates the move from the musique concrète and tape-manipulation techniques used in the early days, to the synthesiser works of the 1970s.