This piano improvisation course is a super rare and out of print CD set, still sealed and brand new. It includes CD 1 and 2 and features Yoke Wong as the author and instructor. The course is designed for English speaking pianists who want to improve their improvisational skills. The CDs come in the format of standard music CDs and belong to the category of instruction books, CDs & video under the Musical Instruments & Gear section. The set includes one unit quantity and the subject of the course is music.