All other bands
Ilja is permanent member of
The Jasper van ‘t Hof Quartet,
The Ilja Reijngoud/Bart van Lier Quintet,
Ge Bijvoet Quartet.
He was sub so far in The Metropole Orchestra, Jazz Orchestra of the Concertgebouw, The Very Next (aka The Young Sinatra's), Brussels Jazz Orchestra, Rotterdam Jazz Orchestra, Jorrit Dijkstra Group, Bik Bent Braam.