I would say they are all at a fairly
advanced skill level, as their timing and phrasing are very good.
They could easily become "pros' if they so wished...in other words, they could earn money with their talent.
Ian
_________________________
Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.