The purpose of this book is to give moderate to advanced pianists and musicians a reference book for arranging, composing, and improvising. This is accomplished by working with lead sheets along with many explanations and examples.This book is organized in the following manner. A piece is presented in simplest form and then shown again with varying degrees of difficulty and explanations. The examples in this book are presented in the following fashion: 1) Lead Sheet only2) Lead Sheet with a possible way of playing it with explanations3) Lead sheet with chord substitutions and other changes4) A possible way this might be played with more explanations5) More possibilities, and 6) More possibilities explained.