Designed to coordinate page-by-page with the Lesson Books, each Theory Book contains enjoyable games and quizzes that reinforce the principles presented in the Lesson Books. Students can increase their musical understanding while they are away from the Keyboard.
| Instrument (fx guitar, sang m.m.) | Klaver, Klaver Duet |
| Genrer (Fx Pop, Rock, Børn m.m.) | Musikteori/Nodelære |
| Type (fx Instrumentskole o.lign.) | Musikteori/Nodelære |
| Niveau | Let øvet |
| Sideantal | 48 |
| Media (fx Bog, CD, DVD m.m.) | Bog(softcover, hæftet), Noder |
| Publisher/Producent | Alfred Publishing |
| Bidragydere | Kowalchyk, Gayle (Editor) Lancaster, E.L. (Editor) |
| Sprog | Engelsk |
| ISBN | 9780739021705 |
| UPC | 038081013237 |