Hi Everyone , Check out this url!! http://jazztheory.org
... It has some
great information on chord progressions, chords, scales , improvising and
alot more. It also has an interactive Keyboard & Bass guitar layout that
lets you try out different chords in all keys and will test your
knowledge. Learn some theory from a teacher who has taught Jazz piano
since 1952 and played with many of the great players of Jazz. Good content
being updated quite often! Apply jazz technique to all your other artforms
and become much more creative in each one...