Piano Party is the core book at all four levels of the Bastiens' Invitation to Music Series (A, B, C, D); new concepts are introduced in the Piano Party books. Along with Piano Party, the companion books, Theory & Ear Training Party and Performance Party, provide the formula for a well-balanced music education. Colorful illustrations in all the books are used to reinforce concepts and styles, to maintain interest, and to motivate.
Book D expands reading to positions in D, A, E (Group 2); D-flat, A-flat, E-flat (Group 3); and G-flat, B-flat, and B (Group 4). Flats and sharps, more dynamic markings, and key signatures are presented. As in Book C, students are asked to write the counts in every piece indicated by the pencil icon.