A more formal way to phrase this would be, "what makes Tim's playing so aesthetically pleasing?".
Him:
Some covers:
Although the music is paramount, the visual aesthetics of playing are also important. Can anyone pin down some specifics (in the mechanics of playing, not in the his body looks)? And does anyone know how this sort of playing is achieved? Is it just lots of practice?
Some things I've noticed:
- He makes more use of the space above the fretboard
- He makes more movements with his whole hand/arm rather than just fingers
- He keep his fingers very straight
- He makes precise movements that extend over long distances (e.g. when he puts the finger on the low E for the bend)