sentences:  It regularly accompanies soloists, instrumentalists, and vocalists at the semi-finals of the Queen Elisabeth Music Competition.Artists who have collaborated with the Orchestra have included José van Dam, Mstislav Rostropovitch, Mischa Maisky, Arthur Grumiaux, Jean-Pierre Rampal, Paul Tortelier, Philippe Hirschhorn, Janos Starker, Aldo Ciccolini, Maria João Pires, and Frank Braley.In addition to giving numerous domestic performances, notably in Wallonia (specifically at its residence in Mons) and in Brussels (Palais des Beaux-Arts), the ensemble is also engaged at famous concert halls and prestigious music festivals abroad, such as the Concertgebouw in Amsterdam, the Théâtre des Champs-Élysées in Paris, the Folles Journées in Nantes, Lisbon, Bilbao, and Tokyo, and the Menton.