(Instructional). Scales and chord tones provide the basis for jazz improvisation and fill-ins. This book presents traditional scales and chords within the framework of a chord progression. Charts are included with the scales written in all keys and a list of chords which complement each scale. Over 160 music examples apply the scales and chord tones to jazz chord progressions. The keyboard player will gain new insights into the practical application of scales and chord tones to improvisation.