A brilliant and instructive treatise on the principles of jazz piano improvisation. Deals with all aspects including a surve y of piano styles from 1900 (Stride piano) to the present day (Contemporary Jazz Piano). Among the many topics dealt with in this extensive work are: The Seventh Chord System The 60 chord system Altered Triads Modal Improvisation Left Hand voicin gs The Non Modal tones Inversions and much more.