For each of the books in the series there is one accompaniment book that covers all four instruments. The Accompaniment Books contain piano parts that are simple enough to allow parents or siblings with some musical skills to play. For many of the si mple pieces the right hand piano part is suitable as a violin accompaniment. These are great resource books for ensemble work . Many tunes are arranged for duets trios or quartets and allow more advanced pupils to play along with beginners.