Hi, you've probably figured it out by now, but the festival runs June 14-17, 2001. I found that out on the festival website (in French):
www.festival-gnaoua.co.ma/
hi,
Gnaoua festival will start tomorow and will go on for three days.it's held in the town centre and lots of people from different countries come to watch this fantastic festival .
It's just great.Have fun.
Omar,Morocco