Operatic comedienne Anna Russell died recently. NPR has a story which contains the following gem of a quote, on the physiognomic necessities of singers:

You're better off with resonance where your brains ought to be. The rest can be fed into you unless you're retarded. I've known a lot of quite successful singers who are quite retarded.

You'll also hear a marvellous bit of one of her Gilbert & Sullivan parodies. For more of the like, watch this.