Not only was Fats Waller one of the greatest pianists jazz has ever known, he was also one of its most exuberantly funny entertainers -- and as so often happens, one facet tends to obscure the other. His extraordinarily light and flexible touch belied his ample physical girth; he could swing as hard as any pianist alive or dead in his classic James P. Johnson-derived stride manner, with a powerful left hand delivering the octaves and tenths in a tireless, rapid, seamless stream.