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  1. Home
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  3. USLD91774110
WTF album cover

WTF✓2

ISRC

USLD91774110
FattMack
matched
Released 2025-04-04

Last verified: August 31, 2026

One ISRC for “WTF” by FattMack is USLD91774110. 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 2025-04-04. The underlying musical work is ISWC T-303990790-5.

Format

USCountry
LD9Registrant
17Year (2017)
74110Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2017):
Last two digits of the reference year (2017). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCWTF
ISWCWTF

Musical Work (ISWC)

T-303990790-5WTF

People also ask

What is one ISRC for “WTF” by FattMack?+
One ISRC for “WTF” by FattMack is USLD91774110.
What is the ISWC for “WTF”?+
The ISWC for “WTF” is T-303990790-5. The ISRC USLD91774110 identifies this specific recording; the ISWC identifies the underlying musical work shared by all versions.
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. USLD91774110 is the ISRC for this recording; T-303990790-5 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 USLD91774110?

USLD91774110 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “WTF” by FattMack. 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-303990790-5, 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

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MLC Song Code

W55S5G
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
FattMack

One ISRC for “WTF” by FattMack is USLD91774110. 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 2025-04-04. The underlying musical work is ISWC T-303990790-5.

FattMack

Related

Other versions of this workView all on iswc.fm

WTFQM4TX2153022

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