"...neither Callas nor Caruso were without weaknesses, but they had an energy, that appeals to the listener and stimulates and captures the imagination. In the best of his recordings Rudolf Schock also shows exactly this quality..." (Miquel Cabruja 20.7.2004) and "...a voice for the nostalgic - but fascinating for younger vocal fans as well" (collectors-edition 2013 emi/warner-classics..."
