Book excerpt: "Do you have a favorite sound?" little Yoshio asks. The musician answers, "The most beautiful sound is the sound of ma, of silence." But Yoshio lives in Tokyo, Japan: a giant, noisy, busy city. He hears shoes squishing through puddles, trains whooshing, cars beeping, and families laughing. Tokyo is like a symphony hall! Where is silence? Join Yoshio on his journey through the hustle and bustle of the city to find the most beautiful sound of all.