Learn to improvise freely over any chord progression. The "Fourth Note" principle is a truly remarkable method for improvising in jazz and other genres, combining ear training, theory, and technique to enable the student to play with unrestricted creativity. Comprehensive, step-by-step instruction, How to use "focus notes" to anchor your playing within a chord progression, Examples for practical application of every new concept, Includes a CD with 99 full demo tracks, and more.