Since 1998 John Hegre and Lasse Marhaug have been making music and sound together as Jazzkammer. Their Debut album Timex in 1999 on Rune Grammofon have been followed by a string of releases on labels like Smalltown Supersound, Bottrop-Boy and OHM Records.

Their work frequently crosses genres, and are particularly well known for their work with video artist H C Gilje. They tour extensively internationally, including visits to Spain, USA, Singapore and Argentina in recent years.