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Piano music (solo or chamber), vocal music and vocal scores, and some orchestral scores which cannot be pamphlet bound are sent out for commercial binding (see Binding Guidelines for Paperbacks and Scores, Section VIII, Chapter I). Piggyback barcodes are affixed to the title page of scores going to the commercial bindery.
Scores Bound scores which go directly to the Marking Table have the barcode affixed to the inside back cover and are placed on the appropriate book cart.