Oorspronklik: Improv, Vol. 2 - Bass Patterns and Progressions. Bird Upon The Wing. Walter Noona. Piano Method sheet music. Piano Solo sheet music.
Vertaling: Improv, Vol. 2 - Bass Patrone en Vordering. Piano Metode bladmusiek. Piano Solo bladmusiek. Improv, Vol. 2 - Bass Patrone en Vordering.