Paul Danblon
He joined the Opéra Royal de Wallonie in Liège as a stage director in 1974 , and in 1990 wrote the text for a musical entertainment performed by the company , "Divertimento doux-amer de Mademoiselle Mozart" . 
<triplet> Opéra Royal de Wallonie <subj> Liège <obj> located in the administrative territorial entity