Oorspronklik: Easy Jazz Play-Along Volume 4. Two Degrees East, Three Degrees West. Basic Blues. Sheet Music, CD. Bass Clef Instruments.
Vertaling: Maklik Jazz Play-Along Deel 4. Basiese Blues. Bladmusiek, CD. Bassleutel instrumente. C-instrumente. B-mol-instrumente. E-mol-instrumente.
