原文: Improv, Vol. 2 - Bass Patterns and Progressions. Walter Noona. Piano Method sheet music. Piano Solo sheet music. Composed by Walter Noona.
译文: 即兴,卷。 2 - 巴斯模式和级数. 沃尔特Noona. 钢琴方法乐谱. 钢琴独奏乐谱. 即兴,卷。 2 - 巴斯模式和级数. Small Rhythm Basses And Swing Bass. 由Walter Noona组成. 钢琴. 钢琴的方法.