Originál: Improv, Vol. 2 - Bass Patterns and Progressions. Walter Noona. Piano Method sheet music. Piano Solo sheet music. Composed by Walter Noona.
Překlad: Improvizace, sv. 2 - Bass vzory a Progressions. Piano Method noty. Piano Solo noty. Improvizace, sv. 2 - Bass vzory a Progressions.