Check out this wonderully in-depth interview of Johan by Jan Visser.
An excerpt:
All those critisizers can play faster and better than me. I applaude them for that… But a musician plays music from his own heart and not from a borrowed one. Also, he uses his own ears and can appreciate the other species with all their talents and shortcomings.
You can read the interview in its interity over at Pedal Pro Universal.