Les Muses Gaillardes Schroyens, Raymond Arthropodoi (equal) Schroyens, Raymond Arthropodoi (mixed) Schroyens, Raymond Sigi and Julia, de musical (vocal part) De Baets, Thomas Sigi and Julia, dé musical De Baets, Thomas Sigi and Julia, de musical (instr. Parts) De Baets, Thomas Later Joly, Mark