15 High Quality jazz style backing tracks! For all instruments. Creative Backing Tracks series provide high quality recordings together with chord progressions and tips allowing you to enjoy improvising and soloing with your own instruments.Edited byio Morelli. A project by Giovanni Unterberger. In collaboration with Stefano Onorati, Milko Ambrogini, Filippo Pedol, Walter Paoli, Stefano Rapicavoli.