Originalno: Scales and Chords Are Fun, Book 1. Ping-Pong. David Hirschberg. Piano Method sheet music. Piano Solo sheet music. Major.
Prevod: Lestvice in akordi so zabavne, Book 1. Piano Metoda note. Piano Solo note. Lestvice in akordi so zabavne, Book 1. Za klavir. Metoda.