The most naturalistic balance for the human body stance was is the weight shift.
Polykleitos was a cool guy, met him once
Goodluck! :-)
Melody is the succession of single tones or pitches perceived by the mind as a unity. Melody is the horizontal dimension in music, while harmony adds vertical perspective. Chords are the essential part of harmony. The harmony is the "vertical" relationship between simultaneous chords. So, harmony is the "vertical aspect" of music and melody the "horizontal".