Santorella's "Know Before You Blow" series is the break-through approach to jazz improvisation that has been missing and is now offered to all aspiring jazz musicians as an essential resource for improving their ability to improvise or simply put, play jazz. All seven modes are clearly defined, explained & notated on the text page which precedes each exercise. This "Group Ensemble" - Conductors Edition contains a complete score and a recording of all six instruments playing together.