Izvornik: Improv, Vol. 2 - Bass Patterns and Progressions. Walter Noona. Piano Method sheet music. Piano Solo sheet music. Composed by Walter Noona.
Prijevod: Improvizirana, Vol. 2 - bas obrasci i progresije. Klavir Metoda note. Piano Solo note. Improvizirana, Vol. 2 - bas obrasci i progresije.