This is the 12893rd most frequent Spanish word.
partitura
A "partitura" is a musical score or sheet music.
The context of 'partitura' here is referring to the sheet music or score of a musical composition, specifically a symphony.
La partitura de esa sinfonía es muy compleja.
The score of that symphony is very complex.
The word 'partitura' is used to denote the specific sheet music for a piano performance.
He perdido mi partitura de piano para el concierto.
I lost my piano sheet music for the concert.
In this context, 'partitura' represents the musical score that guides the band rehearsal.