Donald Satz wrote:

>...  Plenty of folks are bothered by Gould's humming, and others aren't.
>It doesn't bother me in the least, as I hardly notice it since I get so
>wrapped up in his performances.

Of course Gould wasn't the only artist to accompany himself w/ an audible
hum.  Serkin did it to, as did Toscanini.

Walter Meyer