Wiltenburg and Zoetelief met at the conservatory where Zoetelief was a student and Wiltenburg a teacher. From then on they started studying/playing together. Wiltenburg and van Nieuwenhuize are both from Rotterdam. They have been playing together since they were 19 years old. At that age they won the Laren Jazz festival. van Nieuwenhuize and Gort lived together in their early years. They still rehearse weekly.