In this column: festivals and events, blues, the Netherlands, North Sea Jazz Festival, Rotterdam, Dutch Swing College Band, Muddy Waters Band, B.B. King Blues Band, Bonnie Raitt, Buddy Guy, Rhythm and Blues Night De Oosterpoort, Groningen, Lucky Peterson, Guy Davis, Popa Chubby, Moulin Blues Ospel, D.K. Harell, Monster Mike Welch, Holland International Blues Festival, Grolloo, …