text: During the 19th and 20th centuries many original romantic, expressionist and surrealist Wallon painters emerged, including Félicien Rops, Paul Delvaux, Pierre Paulus, Fernand Verhaegen, Antoine Wiertz, René Magritte ... The avant-garde CoBrA movement appeared in the 1950s.
  Music
  There was an important musical life in Prince-Bishopric of Liège since the beginning. Between 1370 and 1468, a school of music flourished in Liège, notably producing Johannes Brassart and Johannes Ciconia (the third Master of Ars Nova).
  The vocal music of the so-called Franco-Flemish School developed in the southern part of the Low Countries and was an important contribution to Renaissance culture. Robert Wangermée and Philippe Mercier wrote in their encyclopedic book about the Walloon music that Liège, Cambrai and Hainaut Province played a leading part in the so-called Franco-Flemish School.
  Among them were Orlande de Lassus, Gilles Binchois, Guillaume Dufay In the 19th and 20th centuries, there was an emergence of major violinists, such as Henri Vieuxtemps, Eugène Ysaÿe (author of the unique opera in Walloon during the 20th century Piére li houyeû – Pierre the miner – based on a real incident which occurred in 1877 during a miners' strike in the Liège region), and Arthur Grumiaux, while Adolphe Sax (born in Dinant) invented the saxophone in 1846. The composer César Franck was born in Liège in 1822, Guillaume Lekeu in Verviers. More recently, André Souris (1899–1970) was associated with Surrealism. Zap Mama is a more international group.