Klaus Gertken piano, keyboards (1, 4, 7, 8, 11)
Lilo Klein cello (1, 4, 7, 8, 11)
Lutz Bauer drums (1, 4, 7, 8, 11)
Emmanuelle Chimento soprano (2, 9)
Monika Abel-Lazar soprano (3, 6, 10)
Aline Quentin soprano (5, 12)
Lisa Kuhnert violin (3, 6, 10)
Olga Wien piano (2, 3, 5, 6, 9, 10, 12)