7. If You Knew Sousa

John Phillip Sousa became America's favorite bandmaster, but band music wasn't Sousa's only passion. He was the first to bring the classics -- Verdi, Wagner, Puccini -- to a burgeoning American middle class. Wildly popular, his was the first large musical organization to go on tour and make music pay. He helped give birth to that great American institution, the small town marching band.