Koos Wiltenburg (1954) started to play bass guitar at the age of 17 in a blues and rock band in Rotterdam. At the age of 21 he started his classical study double bass and 3 years later his jazz study at the conservatory in Rotterdam.
On both studies he graduated in December 1983.
At the same time he was active as a professional bassplayer (both double bass and bass guitar) and has won the Laren Jazz festival at the age of 21. As a freelancer he played in many groups, theatre productions and radio/television programs.
With the trio “Intrioduction” and the ” Johan Clement trio” he played all over Europe and on all the major jazz festivals in Europe amonst others: the North Sea Jazz Festival, Antibes, Cannes, Brussels},and made many recordings and radio broadcastings
Together they accompanied many musicians a.o. Lee Konitz, Slide Hampton, Urbie Green, Dee Daniels, Charles McPherson, Toots Thielemans,Georgie Fame,Hal Singer,Benny Bailey,Tom Kirkpatrick,Dave Pike,Marjorie Barnes and many others.
Koos recorded and produced over 25 recordings for Dee Daniels, Louis de Vries, all the Johan Clement trio recordings he was involved with, Eddy Doorenbos, the Hague Jazz Quartet and for the classical cello player Arturo Muruzabal
From 1987 until his retirement in 2020 Koos was teaching double bass, bassguitar and ensembles at the Prins Claus Conservatory in Groningen
as a leader:
2006 cd “WORTH A JOURNEY”, a.o. Floor van Zutphen, Thomas Zoetelief, Don Braden, Miguel Martinez. Alaor Soares, Jan Ype Nota.
2008 cd “WHAT A WONDERFUL DAY FOR THE BLUES” with Eef Albers, Leo Janssen, Arno van Nieuwenhuize
2010 cd KOOS WILTENBURG GROUP – “HANDS ON” with Eef Albers-Leo janssen-Thomas Zoetelief-Arno van Nieuwenhuize en Mamour Seck.
2018: LP/CD RUE DE LA GARE with Denise Jannah, Marjorie Barnes, Deborah Carter, Ben van den Dungen,Leo Janssen,Barend Petersen,Wouter Kiers, Eef Albers,Peter Tiehuis,Rudy de Queljoe,Bas van Lier,Ronald Snijders ,Thomas Zoetelief,Arno van Nieuwenhuize
2021: LP/CD GOSIA JULIA MAJ – BY YOUR SIDE with Gosia Julia Maj, Thomas Zoetelief, Arno van Nieuwenhuize, Jasper Soffers, Martin Gort, Wycliffe Gordon, Alex Sipiagin, Don Braden, Eddie Conard, Deborah Carter, Izaline Calister, Antoine Drie, Nanko Meiborg.
to be released: LP/CD THOMAS ZOETELIEF TRIO.