Today only a few groups remain: Royal Estudiantina la Napolitaine (founded in 1904) in Antwerp, Brasschaats mandoline orkest in Brasschaat and an orchestra in Mons (Bergen).
What groups remain today? 
Royal Estudiantina la Napolitaine (founded in 1904) in Antwerp, Brasschaats mandoline orkest in Brasschaat and an orchestra in Mons (Bergen).