Contemporary Rock Styles Bass Guitar - Book and CD. The book & CD are about the styles and grooves that make up the full arra y of today's Rock scene. If you want to be a well-rounded well-trained musician this is the material you need to known. You will also get an insight into the constant cross-fertillzation of sub - styles that make Rock a rich and exciting musical ge nre. The CD performance demo and then a version without the bass for you to play-along + lots more