the.com/libretto
The opera's screenplay, dwarfed by music yet doomed to take the blame.
means The complete text of an opera, operetta, or other extended musical work, including all sung and spoken words.
from Italian for 'little book,' the diminutive of libro — the slim booklet audiences once clutched in the candlelit dark to follow along.
Credit gapComposers get statues; librettists get footnotes.
Mozart's partnerDa Ponte wrote three Mozart masterpieces, died broke in New York.
PluralLibretti or librettos, both perfectly correct.