"Music, I have come to realize, is for me a kind of golden thread running through my life. It has helped maintain my connection with the past that otherwise might have been severed by catastrophe and time. I am often asked--indeed, I often wonder myself--why it is that I should always have had such joie de vivre in the face of the losses and dislocations I had to endure in my early years. The answer I always gave was that the warmth and security...