101 Harmonica Tips Stuff All the Pros Know & Use Book and CD. Ready to take your harmonica playing to the next level?. This book presents valuable how to insight that harmonica players of all styles and levels can benefit from, the text, photos,music diagrams, and accompanying CD provide a terrific, easy to use resource for a variety of topics, including, Techniques, Position Playing, Soloing, The Blues, Equipment, Performance, Maintenance, Accompaniment, and much More.