[1] Since its foundation the orchestra has recorded some 20 albums and been on numerous tours in Norway, Europe, Asia and United States.
Iona Brown was artistic director of the orchestra from 1981 to 2001, ea position she shared with Tønnesen.
Since 2009, violinist Isabelle van Keulen has been associated with the orchestra as artistic director juxtaposed with Terje Tønnesen.
In addition, the orchestra travels on separate tours in Norway, as well as visiting a number of festivals throughout the country.
The orchestra had for many years the University Hall in Oslo as the main arena, and when this will again open in 2011, will continue to play several of their concerts there.