Music comes in many forms; most countries have a style of their own. At the turn of the century when jazz was born, America had no prominent style of its own. No one knows exactly when jazz was invented, or by whom. But it began to be heard in the early 1900s. Jazz is Americans contribution to popular music. In contrast to classical music, which follows formal European traditions, jazz is a spontaneous and free form. It bubbles with energy, expressing the moods, interests, and emotions of the p