ok portrays jazz bass as a vital element of 20th century American music. Citing examples from key recordings in the jazz canon, the book defines the essence of the musical contributions made by more than 70 important jazz bassists, including Ray Brown, Eddie Gomez, Charles Mingus, Milt Hinton and many others. Bassists get expert guidance on mastering proper technique, practice methods and improvisation, plus new insight into the theoretical and conceptual aspects of jazz. The companion online audio features bass plus rhythm section which allows readers to hear technical examples from the book. Audio is accessed online using the unique code inside the book and can be streamed or downloaded. The audio files include PLAYBACK+, a multi-functional audio player that allows you to slow down audio without changing pitch, set loop points, change keys, and pan left or right.