They are appropriate for performance by any melodic instruments. The duets feature independent contrapuntal lines, and practicing them will give you intimate insight into how these constructs sound and can be used to create a wide variety of colors. You will improve your ear, sense of timing, phrasing, and your facility in bringing theoretical principles into musical expression. You will learn to use: jazz staccato and legato articulations · scales, modes, harmonies and other structures · various meters and ways of interpreting them · phrasing within and between measures · swing feel · and more.