Unlock Vol. 3 Jazz Etudes are designed to provide detailed aspects for players to improve their musicality, technical agility, articulations, dynamics, rhythmic studies and sightreading skills. There are 12 etudes based on swing, bebop. contemporary funk, ballad, jazz waltz and odd-time signature styles. Each etude focuses on different techniques for enhancing the players' understanding of the note-chord relationship along with all of the other skills listed above.