Walter van Cortenberg plays drums in Belgian metallers Ancient Rites since 1990, replacing initial drummer Stefan. Born in Leuven, Walter started playing in some underground grindcore bands, which he names as an important learning process. Van Cortenberg reveils :

As a drummer I have the most respect for original and creative drummers with an open mind such as: Jan Axel Von Blomberg, Nicholas Barker, Trym, Pete Sandoval, Doc, Dave Culross, Gene Hoglan, Richard Christy, Dave Lombardo, Away, Nicko McBrain, Eric Carr, Scott Rockenfield, Neil Peart, Mike Portnoy, Simon Phillips, Stewart Copeland, Mark Brzezicki."