I've arranged "Blue Moon" using my 2+2 chord-arranging method for solo piano.
"Blue Moon" in 2+2 chord arrangement
In 2+2 chord arranging, the left hand anchors the harmony, typically playing root and 7th, root and 3rd, or root and 5th intervals on tonic chords. The right hand uses the thumb to complete the chord (with the 3rd or 7th), while the remaining fingers carry the melody above. Occasionally, I switch to 2+3—two notes in the left hand and three in the right—adding a 9th, 11th, or 13th for extra color, as in measures 1–3.
2+2 voicings are hand-friendly, balanced, and versatile. The left-hand notes can stand alone as a complete accompaniment, while the right hand adds fills or improvisation. With regular practice, the 2+2 system helps pianists move from guessing at chords to playing confident, expressive harmony in just a few weeks.
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I also served as technical editor for Mark Levine’s “The Jazz Theory Book” and contributed to “The Jazz Piano Book,” two of the most respected resources in jazz education.