found: Stephan, R. Music für Orchester [SR] p1995:insert (Noord Nederlands Orkest; Northern Netherlands Orchestra; Nordniederländische Orchester; created 1989; based in Groningen)
found: Meij, J. de. Symphony no. 2 [SR] 2003:container (North Netherlands Symphony Orchestra) insert (Noord Nederlands Orkest (NNO); North Netherlands Symphony Orchestra; based in Groningen)
found: NNO : 150 jaar, c2012:voorwoord (NNO was formed in 1989 as a merger of the Noordelijk Filharmonisch Orkest (voor Groningen en Drenthe) en het Frysk Orkest)