Pianists all know the benfits of playing the Two-Part Inventions of J.S. Bach. Now, world-respected jazz pianist and composer Bill Cuncliffe has written his own "inventions"" that will benefit every player's understanding and performance of jazz. These great-sounding etudes explore the specific harmonic, melodic, and technical, challenges faced by jazz keyboardists, includdeing the ii-V and ii-V-I progression, outlining changes, chord-tone ornamentation, playing octaves, tonic patterns, block chords, polytonality, stride piano, and left-hand walking bass.