From The Washington Post:
The orchestra’s librarians are responsible for obtaining the scores for each program; for making sure all of the markings are the same in all the parts; for putting the music on the stands before each performance; and for being physically present at each show in case of emergencies — even on tour. It takes about 100 hours, says Elizabeth Schnobrick, the National Symphony Orchestra’s principal librarian, to prepare the music for a single subscription program.
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