Joeri Rook is drummer and co-founder of Wallrus, 'rockband extraordinaire'. He also plays as a session drummer with K'BAM!, an accoustic rock duo. Rook changes the drum spot with Ron de Bruin or Arend Niks.
Joeri Rook is also drummer in justNcase, a musical project around Kees Patijn and Marcel Fakkers, plays with Star Star and female singer Charlie Dée.