(Keyboard Instruction). This book is a complete guide to the captivating and complex chord voicings prevalent in modern jazz. It includes: quickest voicings a guide to the first and best quartal voicings one should know; selected voicings good voicings in all keys; all voicings every possible quartal voicing followed by traditional jazz theory; quartal voicings applied to a standard jazz chord progression; the theory behind deriving quartal voicings; and more.