From the book entitled: “Composing, Arranging and Improvising Using Lead Sheets and Chord Charts”. It shows the development of an original song or advanced arrangement beginning with a simple three-chord lead sheet & developing into a more advanced piece of music. The development occurs in the following manner. 1. The piece begins as a lead sheet with melody & primary chords. 2. It is shown with added chord alterations or chord substitutions. 3. It is further developed melodically, rhythmically & harmonically to show something more original and advanced. https://kevinpacemusic.com/index.php?... https://kevinpacemusic.com/index.php?...