"The Maestro plays. He plays proudly. He plays loudly. He plays slowly. He plays oh-ly." Bravo to the three maestros who created this virtuoso picture book! There is Maestro Bill Martin, who writes cunningly, punningly, winningly, grinnnigly, unsinningly. There is Maestro Vladimir Radunsky, who illstrates smartly, artily, grandly (never blandly). And there is the Maestro of the story himself, who amuses wryly, informs on-the-slyly, and encourages...