Publisher Desc.  Chord Symbols is an instructional book which demystifies the often confusing world of chord symbol notation. In an easy, chapter-by-chapter presentation, you will learn important concepts such as: The six types of seventh chords Extensions and alterations The difference between ninth chords and "add 9" chords Chord functions and voicings At the end of each chapter, suggestions are offered to help you put into practice what you have learned. Recommended for keyboard and other rhythm section instruments; composers, arrangers, and conductors; and anyone else who wants to understand these practical concepts.