Shortly before each Chicago Symphony Orchestra concert is set to begin, someone discreetly walks onstage to place a score on the conductor’s music stand, then returns to retrieve it when that first piece is over — a process repeated for each selection on the program.
Those brief, easy-to-ignore trips across the stage are the only times that audiences get a glimpse at the three staff members who work in one of the CSO’s most important if little-known behind-the-scenes departments — its library.
