The Complete System for Building a Solid Musical Foundation while Learning to Play the Recorder! If you already have the book, but want the accompaniments here's what you need. The Recorder Excellence Upgrade Kit complements the Book Only version (W52SB) with the Enhanced CD (which includes Play-Along accompaniments and the DVD (which includes a Getting Started Guide, lessons, demonstrations and Virtual Flashcards). The Upgrade Kit (W52UK), together with RECORDER EXCELLENCE Book Only version (W52SB) combine to the equivalent of the Student Book - Enhanced Version (W52S).