This book aims to provide a comprehensive guide to understanding and applying chord progressions for organ, piano, and electronic keyboards. It likely details the fundamental building blocks of harmony, moving through common progressions and offering practical examples for instrumentalists. The work is structured to build a player's harmonic vocabulary and improvisational skills.

This instructional text is likely aimed at intermediate keyboard players seeking to deepen their understanding of harmony. The scope suggests a practical approach, focusing on the application of theory to common instruments. The content is expected to be clear and methodical, suitable for self-study or use with an instructor.