Complex 2-hand voicing for piano is done in various ways, but this video shows one way to do it using a simple chord progression. Watch the voicing develop as we move from simple triads to 7ths to octave-5ths in the right hand to 13ths and 9ths along with the 7th in the left hand, while the damper pedal sustains a low root on the first chord of the progression:

Tags: 2-hand voicing