Kenny Barron voicings are composed of two perfect fifths in each hand and separated by a minor second:
This symmetrical voicing can also be played with a major second between the two hands creating a completely different chord quality. Notice the increased tension from the #11 at the top:
Maciej Burdynowski says
I think there is a typo in the musical examples, and it should be G and G# not A and A# in the top voice.
Clau says
Right 😉