Yes, it's the future mezzo playing the Sonata for Viola Four Hands, S. 440, in conjunction with Robert Levine, who sent the picture along. Now the principal violist of the Milwaukee Symphony and also a contributor at Polyphonic, Robert often shared a stand with Lorraine during her viola-centric years, especially at George Cleve's Midsummer Mozart Festival. He remembers her as a gifted and generous player. Incidentally, the oddest of Bach's twenty-odd children is currently celebrating the fiftieth anniversary of his none-too-belated rediscovery.