New Japan Philharmonic
As a result, Frederieke Saeijs performed as a soloist with the Flanders Symphony, Hagen Philharmonic, Haifa Symphony, New Japan Philharmonic, Orchestre National de Montpellier, Orchestre National de France, Orchestre Philharmonique de Radio France, Residentie Orchestra, Rotterdam Philharmonic Orchestra, Royal Scottish National Orchestra and the St. Petersburg Philharmonic. She collaborated with conductors Jonathan Darlington, Antony Hermus, Neeme Järvi, Friedemann Layer, Ion Marin, Christoph Poppen, Noam Sheriff, Etienne Siebens, Vassily Sinaisky and Jaap van Zweden.