For me, art, and especially music, exist to elevate us as far as possible above everyday existence.
If one has not heard Wagner at Bayreuth, one has heard nothing! Take lots of handkerchiefs because you will cry a great deal! Also take a sedative because you will be exalted to the point of delirium!
Mozart’s music is particularly difficult to perform. His admirable clarity exacts absolute cleanness: the slightest mistake in it stands out like black on white. It is music in which all the notes must be heard.