100 Ultimate Jazz Riffs for Organ authored by Andrew D. Gordon consists of, as the title suggests, 100 Jazz riffs based on common chord progressions used in jazz such as II-V-I, III-VI-II-V etc. There are five separate sections: Jazz-Swing, Jazz-Ballad, Jazz-Funk, Jazz-Waltz and Latin-Jazz. Besides the 100 riffs at the end of the book there is the chord progression for the popular jazz standard “Blue Moon” showing you how to use the various riffs from the 100 riffs to create an improvised solo o...