An Introduction to Metatonal Music-An Introduction to Metatonal Music. This book by versatile trumpet player and composer Randy Sandke is divided into three parts. Part One: Sandke identifies and organizes all four-note chords which lie beyond the tonal system and cannot be represented by conventional chord systems. Part Two: deals with deriving melodic material from these metatonal chords Part Three: Sandke shows how he has used these ideas in his own music with example pieces included for symphony orchestra and jazz quintet.