One of the classic texts on which many young musicians cut their teeth is The Jazz Theory Book by Mark Levine, who has played with Dizzy Gillespie and Freddie Hubbard, two of the greatest jazz improvisers of the last century. Levine introduces that book by announcing: A great jazz solo consists of: 1% magic 99% stuff that is Explainable Analyzable Categorizeable Doable This book is mostly about the 99% stuff.