Pierre Courbois - Edgar M. Böhlke* / Oskar Gottlieb Blarr / Erwin Sommer* / Ferdi Rickers* / Boy Raaymakers / Peter Van De Locht* - Free Music & Orgel
Avant-GardeBoy RaaymakersChristian KrautrockErnesto CardenalFree-JazzGermanyHollandImprovisationJazzOskar Gottlieb BlarrPeter van de LochtPierre CourboisPsychedelicElectronicFree JazzModern ClassicalExperimental