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Fratres (Version for Violin, Strings & Percussion)
Huub Righarts, I Fiamminghi, Peter Manning, Rudolf Werthen
Fratres (Version for Wind Octet & Percussion)
Jan Maebe, Joris Van Den Hauwe, Lydia Rossignol, Geert Baeckelandt, Huub Righarts, Jos Buurman, Bart Snauwaert, Francis Pollet, Martin van de Merwe
Fratres (Version for Eight Cellos)
France Springuel, Wladislaw Warenberg, Gillian Today, Marc Labye, Boris Baraz, Peter Van Der Weerd, Lode Vercampt, Renaat Ackaert
Fratres (Version for String Quartet)
Rudolf Werthen, Arnold Kobyliansky, Michael Kugel, France Springuel
Fratres (Version for Cello & Piano)
France Springuel, Mireille Gleizes