Perhaps you should try some spelling variations:
per pianoforte » de pianoforte
obra teatral » obras teatrales
celebri de » celebri di
teatral e » teatral de, teatrales en, teatral tell
e agentes » de agentes, a agentes, y agentes
de obra » de obras
pezzi » pozzi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: Biblioteca lirica : pezzi celebri de obra teatral e agentes ((e pianoforte) OR (per pianoforte)).~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pezzi celebri de obra teatral e agentes ((e pianoforte) OR (per pianoforte)).*".