Text 1, p.258. How to Play Major 7th & Dominant 7th Chords Building on 12 Pitches

Course: Class Piano/Keyboard Harmony, Music Theory
Textbook:
Melvin Stecher, Norman Horowitz, Claire Gordon, and R. Fred Kern. Keyboard Strategies: A Piano Series for Group or Private Instruction Created For the Older Beginner, Master Text, Vol. 1, 1986.