(Faber Piano Adventures ). The 2d Version Efficiency E-book is a solo choice of 28 efficient items that make stronger the ideas introduced Within the Primer Lesson and Concept Books. Fanciful lyrics, colourful art work, and complex instructor duets improve the training enjoy. Contents come with: Within the Jungle * The Doorbell * The Shepherd’s Flute * Scorching Go Buns * Banana Break up * Pay attention to the Drums * Classical March * The Reverse Track * Rex, the Tyrannosauraus * Trumpet Track * and extra.