: Standard orchestral scores and parts—even those from prestigious publishers—often contain printing errors, missing accidentals, or incorrect rhythmic notation. The MOLA Errata List
: Librarians from major orchestras (like the Berlin Philharmonic or Metropolitan Opera) contribute corrections they have verified during actual performances. Mola Errata List
Description of the original mistake (e.g., "missing accent", "wrong pitch", "missing '63'"). The intended musical marking or instruction (e.g., "Add ", "Corrected pitch is Contribution and Governance : Standard orchestral scores and parts—even those from
Traditional molas use solid-color cotton. Modern mass-produced molas often use fabric that is printed on one side only. If the backside of the fabric is significantly whiter or lighter than the front, and this fading is visible between the appliqué gaps, the piece lands on the Errata List. True collectors demand piece-dyed fabric. The intended musical marking or instruction (e
MOLA Errata List —maintained by the Major Orchestra Librarians' Association (MOLA)