Oorspronkelijk: Piano Lessons Book 5. Cartooon Villain - diminished and augmented triads. On The Rise - primary and secondary triads.
Vertaling: C, G, F, D, B vlak, en Am, Em, Dm, Bm, Gm. Fred Kern. Piano Methode bladmuziek. Hal Leonard Student Piano Library. For Piano. Boek 5.