I wonder where the Mercury recorded masters are for the Callas Medea, Scotto-diStefano Lucia, Rossini Cambiale di Matrimonio, Pergolesi Serva Padrona and Bastianini-Scotto-Kraus Rigoletto. Why can't we get reasonable transfers of these recordings rather than echo-ridden copies from some tape transferred by Ricordi? The sound characteristics of the LPs is totally different and better from those LPs than of any CD issue I have heard. It's a shame.