Originalus: Improv, Vol. 2 - Bass Patterns and Progressions. Walter Noona. Piano Method sheet music. Piano Solo sheet music. Composed by Walter Noona.
Vertimas: Improv, t. 2 - Bass modeliai ir progresijos. Pianinas metodas natos. Pianinas Pavieniai natos. Improv, t. 2 - Bass modeliai ir progresijos.