2-octave Dorian scales in all keys with both hands
Same in harmonic thirds in RH + 5ths in LH
Harmonic thirds in RH + 1-5-10 in LH
Applying Dorian scales (also in thirds) over chromatic progression of m7 shells (3-7-9) — lesson 13 from Dan Haerle’s “Jazz Improvisation for Keyboard Players”