Perhaps you should try some spelling variations:
per pianoforte » e pianoforte, de pianoforte
pezzi celebre » pezzi celebri
teatral de » teatral e, central de, teatro de
canto per » canto para, canto de, canto del
de canto » del canto, de canton, per canto
en open » en orden, del open
el open » del open, el orden

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 : pezzi celebre ((en open) OR (el open)) teatral de canto per pianoforte.~".
• Adding a wildcard symbol may retrieve word variants: Biblioteca lirica : pezzi celebre ((en open) OR (el open)) teatral de canto per pianoforte.*.