I will not enter into a public feud with Madame Callas, since I am well aware that she has considerably greater competence and experience at that kind of thing than I have.
Rudolf BingI never socialized with singers. It's very dangerous if you work with opera... I don't think that in 30 years a singer has entered my apartment.
Rudolf BingExpressions of disapproval are on a level of vulgarity that cannot be tolerated. The way to express disapproval is to do without applause.
Rudolf Bing