P.D.Q. Bach, whose full name is Peter Schickele, is an American composer, pianist, and humorist. He is known for his humorous imitations of classical and Baroque music, particularly his parodies of J.S. Bach's works. Born on July 17, 1935, P.D.Q. Bach has created music that is both humorous and deeply rooted in musical tradition, appealing to a wide audience.