Before revision: The Rosen Publishing Group, 2002. p. 57 The term is usually used to describe musicians that play in popular music genres including swing, jazz , rock , R B, country, and others .
After revision: The Rosen Publishing Group, 2002. p. 57 The term is usually used to describe musicians that play in popular music genres including swing, jazz , rock , R with jazz or rock artists, whether solo or a group .