During the one and a quarter centuries since recording began, entirely new kinds of music have been invented and within those genres, different variations have been explored. At the beginning of the twentieth century, jazz, the blues, and country had barely started. Rock music was still more than fifty years away. For many people, the whole question as to who were the inventors and the innovators through the years within these and the other musical forms is a matter of intense interest. Who was the first electric guitarist or synthesizer player? Who invented sampling? What was the first progressive rock or heavy metal or modern jazz