(Pace Piano Education). This lavishly illustrated story book introduces the very young child to the basic notion that musical sounds can be either high or low, soft or loud, slow or fast, or combined in various ways. These musical concepts are explored via the "Twins" and "Triplets" groups of two and three black keys to develop the tactile, aural and visual awareness prerequisite to all further music learning. Encourages kids to think in motion, deal with several concepts simultaneously, and be creative.