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Music Library Association Best Practices for opus number

Prerecording

Prerecording

Routinely record the element in authority records if used as a component of an authorized or variant access point. Record the element in other cases if readily ascertainable.

In bibliographic records: Record the element if deemed useful for identification or selection.

LC/PCC Core if the element is used to fulfill the LC/PCC Core requirement for Work: numeric designation of musical work.

LC/PCC practice: See the Metadata Guidance documentation: Works.

Recording

Recording

In MARC: Record as an identifier using field 383 subfield $b.

See examples in MARC format: numeric designation of musical work

Recording an unstructured description

Recording a structured description

Recording an identifier

Recording an identifier

Format the opus number for a numbered part of a set of works by recording the opus number for the set, a comma, a space, and the number within the set.

Condition Option

Enclose the name of the publisher in parentheses following the opus number when it is needed as a component in an access point. Do not add parentheses when recording opus number as a separate element.

In MARC: Record the publisher in field 383 subfield $e following the opus number in subfield $b.

LC/PCC practice: Apply the option.

Condition Option

Enclose the name of the publisher in parentheses following the opus number when it is needed as a component in an access point. Do not add parentheses when recording opus number as a separate element.

In MARC: Record the publisher in field 383 subfield $e following the opus number in subfield $b.

LC/PCC practice: Apply the option.

Recording an IRI

View in Context Example

Document Date: 2025/06/06
Document: https://access.rdatoolkit.org/en-US_ala-c4dd289e-93eb-34c4-aac3-a334bc3a2b55

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