Perhaps you should try some spelling variations:
per pianoforte » e pianoforte, de pianoforte
pozzi celebri » pezzi celebri
perez santos » perez carlos, perez galdos, lopez santos
celebri la » celebri di
santos per » santos lopez
la obras » las obras, la obra, la sombras

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "Biblioteca lirica : pozzi celebri la obras (teatrales OR centrales) perez santos per pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pozzi celebri la obras (teatrales OR centrales) perez santos per pianoforte.*.