OLAC Best Practice for medium of performance of musical content
Prerecording
Recording
Recording an unstructured description
Option
Apply the option for video recordings. For works with musical content, combine the nature of the content and medium of performance notes if that makes the information more clearly understood.
Recording a structured description
Alternative instruments and voices
Doubling instruments and voices of a musical expression
Number of parts or performers for each instrument or voice of a musical expression
Number of hands for each instrument of a musical expression
Number of ensembles of a musical expression
Total number of parts or performers of a musical expression
Total number of ensembles of a musical expression
Recording an identifier
Recording an IRI
Document Date: 2026/02/06
Document: https://access.rdatoolkit.org/en-US_ala-f93dd3b2-67a9-38a9-b171-0454dd11fdd3