Whistle shops in Brussels and Bruges

Hi Guys Im taking a break with the wife this weekend and going to Brussels and Bruges.
A weekend of good beer ,good chocolate and good whaffles.Does anyone know if there sre any good music shops in either town to check out or any good sessions for Friday or Saturday night.Or if there is anyone in the area that would like to share a beer and some whistle talk or even a tune or two.
We look forward to hearing from you.
All the best Phil and Bruny.