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Tetrachord. Selberstelltes Bild Es dient zur Veranschaulichung der Leiterbildung durch Tetrachorde in meinem Artikel zum Thema Heptatonik Es beinhaltet eine Tonleiter own work transferred from de Image Tetra Thommy Lasagno music Thommy Lasagno original upload log page de Tetra Thommy Lasagno bytes no Bild Tetrachords