Ingrid Schubert/ Dieter Schubert
(4)
Edward Van De Vendel/ Ingrid Schubert (ILT)/ Dieter Schubert (ILT)
(1)
Ingrid Schubert (ILT)/ Dieter Schubert (ILT)
(1)
Ingrid Schubert and Dieter Schubert
(1)
Ingrid Schubert and Martijn van der Linden
(1)
Ingrid Schubert/ Dieter Schubert (ILT)
(1)
Janis Ian and Ingrid Schubert
(1)