Herman Krebbers (violin 1) Theo Olof (violin 2)
Willem van Otterloo (conductor)Residentie Orkest
Herman Krebbers (violin) Tibor de Machula (cello)
Henk Spruit (conductor)Radio Filharmonisch Orkest (Netherlands Radio Philharmonic Orchestra)
Herman Krebbers & Theo Olof (violins)