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  3. US4XR0941229
HARD TO THE CORE album cover

HARD TO THE CORE

ISRC

US4XR0941229

Song: HARD CORE WUK

matched

Last verified: August 23, 2026

The ISRC for this recording (“HARD TO THE CORE”) is US4XR0941229. 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. The underlying musical work is ISWC T9012344773.

Format

USCountry
4XRRegistrant
09Year (2009)
41229Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2009):
Last two digits of the reference year (2009). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCHARD TO THE CORE
ISWCHARD CORE WUK

Musical Work (ISWC)

T9012344773HARD CORE WUK

People also ask

What is the ISRC for this recording of “HARD TO THE CORE”?+
The ISRC for this recording (“HARD TO THE CORE”) is US4XR0941229.
What is the ISWC for “HARD CORE WUK”?+
The ISWC for “HARD CORE WUK” is T9012344773. This recording is titled “HARD TO THE CORE”. The ISRC US4XR0941229 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. US4XR0941229 is the ISRC for this recording; T9012344773 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 US4XR0941229?

US4XR0941229 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “HARD TO THE CORE”. 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 T9012344773, 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

Related

Other versions of this workView all on iswc.fm

WUK HER HARDQMRTJ2100218
HARD TO THE COREUS3DF2049812
HARD TO THE COREUSHR20304048

The ISRC for this recording (“HARD TO THE CORE”) is US4XR0941229. 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. The underlying musical work is ISWC T9012344773.

Listen on Apple Music
Album: Down for the Core Part IV2:43Track 29

Who wrote this song?

JASON ANDREW WILLIAMSComposer
IPI: 00196470733
DANNY LEE SPOHNComposer
IPI: 00239426555
ALBERT MOSSComposer
IPI: 00187597997
NICHOLAS BARRY CHINNComposer
IPI: 00055737167
MICHAEL CHAPMANComposer
IPI: 00055750376

Which contributors are credited?

0000 0001 1450 4865Nicky Chinn0000 0000 7973 068XMike Chapman

Identifier Graph

ISRCUS4XR0941229ISWCT9012344773IPIJASON ANDREW WI…IPIDANNY LEE SPOHNIPIALBERT MOSSIPINICHOLAS BARRY …ISNINicky ChinnISNIMike Chapman
SourcesMLCMusicBrainzMLC✓3 sources

Verified on

  • MusicBrainz recording record