Alfred Kallfass Soul Essentials Bass, Method for Bass Guitar, 500 Bass patterns in all keys, By Alfred Kallfass, Suitable for lessons and self-study, Learn and improve sight-reading, In standard notation, With chords, Easy to advanced level of difficulty, ISBN 9783000654107, Format: DIN A4, 70 Pages, Includes QR code for play-alongs (70 of them as video) and tabs