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  1. Home
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  3. NLAL61418001
Fortnight album cover

Fortnight✓2

ISRC

NLAL61418001
Call It Off
matched
Released 2025-10-24

Last verified: October 19, 2026

One ISRC for “Fortnight” by Call It Off is NLAL61418001. ISRCs are 12-character ISO 3901 identifiers that uniquely tag a specific sound recording — different masters, remixes, and live versions each receive a distinct ISRC. Released 2025-10-24. The underlying musical work is ISWC T-324.887.974-1. Written by TAYLOR ALISON SWIFT, AUSTIN RICHARD POST, JACK MICHAEL ANTONOFF.

Format

NLCountry
AL6Registrant
14Year (2014)
18001Designation
Country:
ISO 3166-1 alpha-2 country code (NL).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2014):
Last two digits of the reference year (2014). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCFortnight
ISWCFortnight
IPITAYLOR ALISON SWIFT

Musical Work (ISWC)

T-324.887.974-1Fortnight

People also ask

What is one ISRC for “Fortnight” by Call It Off?+
One ISRC for “Fortnight” by Call It Off is NLAL61418001.
What is the ISWC for “Fortnight”?+
The ISWC for “Fortnight” is T-324.887.974-1. The ISRC NLAL61418001 identifies this specific recording; the ISWC identifies the underlying musical work shared by all versions.
Who wrote “Fortnight”?+
“Fortnight” was written by TAYLOR ALISON SWIFT, AUSTIN RICHARD POST, JACK MICHAEL ANTONOFF. The ISWC for this composition is T-324.887.974-1.
Who publishes “Fortnight”?+
The publishers credited on “Fortnight” include: SONGS OF UNIVERSAL, INC., TASRM PUBLISHING, POSTY PUBLISHING, UNIVERSAL MUSIC WORKS, UNIVERSAL MUSIC CORP., ISIMO COMPOSITIONS. These publishers administer the writers' shares in this recording's underlying composition. Credits.fm reports registered publisher credits, not legal copyright ownership.
What is an ISRC and what does it tell you?+
An ISRC (International Standard Recording Code) is a 12-character ISO 3901 identifier that uniquely tags a specific sound recording. The first two characters are the country code, the next three are the registrant (label or distributor), the next two are the year, and the last five are a unique recording number.
Is the ISRC the same as the ISWC?+
No. The ISRC identifies a specific recording, while the ISWC identifies the underlying musical composition. NLAL61418001 is the ISRC for this recording; T-324.887.974-1 is the ISWC for the composition it is a recording of. One composition (ISWC) can have many recordings (ISRCs) — originals, remixes, live versions, and covers each get their own ISRC but share the same ISWC.

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What is ISRC NLAL61418001?

NLAL61418001 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Fortnight” by Call It Off. ISRCs are 12-character alphanumeric codes defined by ISO 3901, used globally by streaming platforms, record labels, and rights organizations to track plays and distribute royalties.

This recording is linked to the musical work T-324.887.974-1, which represents the underlying composition. Multiple recordings can share the same musical work — for example, an original version, a remix, and a cover would each have their own ISRC but reference the same ISWC.

Learn more about ISRCs · Powered by Notes.fm

Who wrote this song?

TAYLOR ALISON SWIFTComposerLyricist
IPI: 00454808047
SONGS OF UNIVERSAL, INC. OriginalPublisher4.00%IPI: 00353271280
SONGS OF UNIVERSAL, INC. OriginalPublisher4.00%IPI: 00353271280
SONGS OF UNIVERSAL, INC. OriginalPublisher4.00%IPI: 00353271280
TASRM PUBLISHING OriginalPublisher0.00%IPI: 01020515328
SONGS OF UNIVERSAL, INC. RightsAdministrator36.00%IPI: 00353271280
TASRM PUBLISHING OriginalPublisher0.00%IPI: 01020515328
SONGS OF UNIVERSAL, INC. RightsAdministrator36.00%IPI: 00353271280
TASRM PUBLISHING OriginalPublisher0.00%IPI: 01020515328
SONGS OF UNIVERSAL, INC. RightsAdministrator36.00%IPI: 00353271280
AUSTIN RICHARD POSTComposerLyricist
IPI: 00786271111
POSTY PUBLISHING OriginalPublisher0.00%IPI: 00791976479
UNIVERSAL MUSIC WORKS RightsAdministrator19.00%IPI: 00832425062
POSTY PUBLISHING OriginalPublisher0.00%IPI: 00791976479
UNIVERSAL MUSIC WORKS RightsAdministrator19.00%IPI: 00832425062
POSTY PUBLISHING OriginalPublisher0.00%IPI: 00791976479
UNIVERSAL MUSIC WORKS RightsAdministrator19.00%IPI: 00832425062
UNIVERSAL MUSIC WORKS OriginalPublisher1.00%IPI: 00832425062
UNIVERSAL MUSIC WORKS OriginalPublisher1.00%IPI: 00832425062
UNIVERSAL MUSIC WORKS OriginalPublisher
JACK MICHAEL ANTONOFFComposerLyricist
IPI: 00448866995
SONGS OF UNIVERSAL, INC. OriginalPublisher4.00%IPI: 00353271280
UNIVERSAL MUSIC CORP. OriginalPublisher0.40%IPI: 00031312147
ISIMO COMPOSITIONS OriginalPublisher0.00%IPI: 01249657514
UNIVERSAL MUSIC CORP. RightsAdministrator39.60%IPI: 00031312147

Who publishes this song?

SONGS OF UNIVERSAL, INC.OriginalPublisher
IPI: 00353271280
TASRM PUBLISHINGOriginalPublisher
IPI: 01020515328
POSTY PUBLISHINGOriginalPublisher
IPI: 00791976479
UNIVERSAL MUSIC WORKSRightsAdministrator
IPI: 00832425062
UNIVERSAL MUSIC CORP.OriginalPublisher
IPI: 00031312147
ISIMO COMPOSITIONSOriginalPublisher
IPI: 01249657514

Which contributors are credited?

0000 0000 7851 9858Taylor Swift0000 0004 6312 9709AUSTIN RICHARD POST

Identifier Graph

ISRCNLAL61418001ISWCT-324.887.974-1IPITAYLOR ALISON S…IPIAUSTIN RICHARD …IPIJACK MICHAEL AN…ISNITaylor SwiftISNIAUSTIN RICHARD …

MLC Song Code

FA7WSR
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
1.00%
IPI: 00832425062
Call It Off

One ISRC for “Fortnight” by Call It Off is NLAL61418001. ISRCs are 12-character ISO 3901 identifiers that uniquely tag a specific sound recording — different masters, remixes, and live versions each receive a distinct ISRC. Released 2025-10-24. The underlying musical work is ISWC T-324.887.974-1. Written by TAYLOR ALISON SWIFT, AUSTIN RICHARD POST, JACK MICHAEL ANTONOFF.

Call It Off

Related

Other versions of this workView all on iswc.fm

Fortnight (The Tortured Violinist version)

Ana Done

QZPJ32358415
Fortnight (original tempo version)

Ana Done

QZPJ32366937
Fortnight

Jack The Underdog, Matthew Orgel

QZTBD2424097
Fortnight (BLOND:ISH remix)

Taylor Swift, Post Malone

USUG12403312

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Songwriter profiles

TAYLOR ALISON SWIFTIPIAUSTIN RICHARD POSTIPIJACK MICHAEL ANTONOFFIPI

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