The product is "Harmonic Colours for Bass: A Musical Approach to Chord and Scale Relationships" by David Gross. This book is part of "The Contemporary Bass Ser." and was published by Alfred Music Company, Incorporated in 1997. It comes with a CD and is a trade paperback with 96 pages. The book focused on chord and scale relationships provides a musical approach to understanding the bass guitar. It is a valuable resource for musicians looking to enhance their skills in bass guitar and improve their musical knowledge.
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