Assertion: libretto | /r/HasProperty | heard in venice
Facets:
value: with music by porpora
type: OTHER
value: the following year with music
type: TEMPORAL
Source sentences:
text: Marianna's setting of an aria text from Metastasio's Ezio, a libretto first heard in Venice in 1728 with music by Porpora and in Rome the following year with music by Pietro Auletta"