In 1975 founded his own group, Spacebox, to realize his concept of an authentic European, cyclic structured, minor dominated, modal harmonic, collective improvised, organic-electric live music as a player, composer and songwriter.
ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti fˈaɪv fˈaʊndᵻd hɪz ˈoʊn ɡɹˈuːp, spˈeɪsbɑːks, tə ɹˈiːəlaɪz hɪz kˈɑːnsɛpt əvən ɔːθˈɛntɪk jˌʊɹɹəpˈiən, sˈaɪklɪk stɹˈʌktʃɚd, mˈaɪnɚ dˈɑːmᵻnˌeɪɾᵻd, mˈoʊdəl hɑːɹmˈɑːnɪk, kəlˈɛktɪv ˈɪmpɹəvˌaɪzd, ɔːɹɡˈænɪkᵻlˈɛktɹɪk lˈaɪv mjˈuːzɪk æz ɐ plˈeɪɚ, kəmpˈoʊzɚɹ ænd sˈɔŋɹaɪɾɚ.