762 Established Heading Linking Entry - Medium of Performance Term

Field definition and scope:

Field 762 contains a medium of performance term that is equivalent to the 162 medium of performance term of the same record. It links headings within a system or from different thesauri or authority fields.

The National level record requirement for this field is Optional.

Field 762 is repeatable.

Guidelines for applying content designators:

The content designators identify the elements occurring in medium of performance term headings constructed according to generally accepted thesaurus-building conventions (e.g., Library of Congress Medium of Performance Thesaurus). Medium of performance terms designate instruments, voices, ensembles, and other media that can be used to perform musical compositions.

For indicator and subfield code definitions and examples, National level (NLR) record requirements, and designator repeatability, see table below:

Position	Description	NLR	Repeatability
Field 762	Established Heading Linking Entry - Medium of Performance Term	O	R
Indicator:
First	Undefined; contains a blank	M

Second	Thesaurus	M
0	Library of Congress Subject Headings/Name authority file	A
1	LC subject headings for children's literature	A
2	Medical Subject Headings/NLM name authority file	A
3	National Agricultural Library subject authority file	A
4	Source not specified	A
5	Canadian Subject Headings/LAC name authority file	A
6	Répertoire de vedettes-matière	A
7	Source specified in subfield $2	A

Subfield code:
$a	Medium of performance term as entry element	M	NR
$i	Relationship information	A	R
$w	Control subfield	A	NR
	/0 Link display	M
	/1 Replacement complexity	A
$0	Authority record control number or standard number	A	R
$1	Real World Object URI		R
$2	Source of heading or term	A	NR
$4	Relationship	O	R
$5	Institution to which field applies	A	R
$6	Linkage	A	NR
$8	Field link and sequence number	O	R

See: Example for this field.

Input conventions:

Punctuation

Spacing

Relationship codes

Content designator history:

Field 762 - Established Heading Linking Entry - Medium of Performance Term [new, 2013]

Subfield $i - Relationship information [new, 2014]

Subfield $1 - Real World Object URI [new, 2017]

Subfield $4 - Relationship code [new, 2014]

Subfield $4 - Relationship code [renamed, 2017] [redescribed, 2017]: Subfield $4 was renamed to Relationship and redescribed to allow for the recording of relationship URIs in addition to MARC and non-MARC codes.

LC Guidelines:

762 Established Heading Linking Entry - Medium of Performance Term

DCM Z1 Instructions:

7XX Heading Linking Entries