Dial A Note - Dial Harmony is a music teaching aid and reference tool in the shape of an eight-inch diameter wheel made from thick card stock and printed in color. No music reading is necessary to use it but it does provide a way to learn music theory, chord building and harmony creation. Changing the key of the song is easy—just follow the color bands around dial. Dial A Note includes all 12 keys, the Nashville Number System, natural chord qualities, diatonic scale degrees, both major and minor degrees of scale, and Greek Mode scales. It sells for $13.95. Visit http://ducksdeluxe.com/dialanote.html.