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384  Key (NR)

Input Standards

Required if applicable/Optional
1st Indicator  Key type
blank character Relationship to original unknown
0 Original key
1 Transposed key
2nd Indicator  Undefined
blank character Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
ǂa Key (NR) Mandatory/Mandatory
ǂ8 Field link and sequence number (R) Optional/Optional


The set of pitch relationships that establishes a single pitch class as a tonal center for a musical work or expression. May be used to differentiate a musical work from another with the same title.

1st Indicator

Key type.

blank character

Relationship to original unknown. The relationship of the specified key to the original key in which the musical composition was written.


Original key.


Transposed key. A different key from that of the original work.

2nd Indicator

Undefined. The 2nd indicator position is undefined and contains a blank ( blank character ).

blank character



ǂa Key

The pitch name and the mode (e.g., major or minor).

100 1   Godowsky, Leopold, ǂd 1870-1938.
240 1 0 Etude macabre
382     piano
384     D minor
100 1   Hoffmeister, Franz Anton, ǂd 1754-1812.
240 1 0 Concertos, ǂm double bass, orchestra, ǂn no. 1, ǂr E♭ major
384 1   D major
500     Transposed to D major to be more suitable for the modern double bass.
ǂ8 Field link and sequence number

For information about subfield ǂ8, see Control Subfields.


For indexing and searching information, see Searching WorldCat Indexes, field 384.

This page last revised: July 27, 2016