Trondheim Jazz Orchestra is one of the most important and creative jazz ensembles in Norway. During the course of the last twentyfive years, the orchestra has had a great number of exciting projects with norwegian and international jazz profiles such as Chick Corea, Pat Metheny, Joshua Redman, Jason Moran, Bill Frisell, Erlend Skomsvoll, Eirik Hegdal, Sofia Jernberg, Maria Kannegaard, Kim Myhr, Jenny Hval, Stian Westerhus, Ståle Storløkken, Kristoffer Lo, Marius Neset, Espen Berg, Signe Emmeluth, Johan Lindvall, Hedvig M. Thomassen, GURLS/Hanna Paulsberg, Marianna Sangita, I like to sleep, among others. The orchestra belongs to the Mid-Norway Centre of Jazz who initiates and organises new projects. The orchestra is operated as a musicians' pool, so that the orchestra changes as to instrumentation and size from project to project. This gives room for great width in the repertory. The musicians that has been involved in the orchestra is among Norway's most famous jazz profiles. Artistic director 2014-2025 has been bass player/composer Ole Morten Vaagan. From 2026 the artistic director is Heida Karine Johannesdottir Mobeck (38, tuba/electronics)