If you make something, it's an artifact. It's something that somebody or some corporate entity has caused to come into being. A great many human beings have thought about each of the artifacts that surround us. Different degrees of intelligence and attention have been brought to bear on anything.
Rock and roll is not an instrument. Rock and roll isn't even a style of music. Rock and roll is a spirit that's been going since the blues, jazz, bebop, soul, R&B, heavy metal, punk rock and, yes, hip-hop.
