The inexhaustible mezzo, 73, says two of her aunts died of the disease.
She’s looking forward to play one of two dementia ladies in Lembit Beecher’s Sky on Swings, opening at Opera Philadelphia in September.
‘I really didn’t figure out exactly how to sing until I was 55,’ she tells AP. ‘Then I had to extend that to 60, and then I had to extend it to 65, and then I extended it to 70 and now I’m going for 75. And then maybe I’ll figure it out.’
Marietta Simpson and Frederica von Stade. Photo: Dominic Mercier/Opera Philadelphia