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  3. QZK6L2077228
What I've Done album cover

What I've Done✓2

ISRC

QZK6L2077228
Halocene
matched
Released 2020-09-04

Last verified: October 2, 2026

One ISRC for “What I've Done” by Halocene is QZK6L2077228. 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 2020-09-04. The underlying musical work is ISWC T-900216953-1.

Format

QZCountry
K6LRegistrant
20Year (2020)
77228Designation
Country:
ISO 3166-1 alpha-2 country code (QZ).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2020):
Last two digits of the reference year (2020). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCWhat I've Done
ISWCWhat I've Done

Musical Work (ISWC)

T-900216953-1What I've Done

People also ask

What is one ISRC for “What I've Done” by Halocene?+
One ISRC for “What I've Done” by Halocene is QZK6L2077228.
What is the ISWC for “What I've Done”?+
The ISWC for “What I've Done” is T-900216953-1. The ISRC QZK6L2077228 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. QZK6L2077228 is the ISRC for this recording; T-900216953-1 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 QZK6L2077228?

QZK6L2077228 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “What I've Done” by Halocene. 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-900216953-1, 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?

CHESTER BENNINGTONComposer
IPI: 00404516099
BRAD DELSONComposer
IPI: 00355851442
MICHAEL KENJI SHINODAComposer
IPI: 00355854139
DAVE FARRELLComposer
IPI: 00275531655
ROBERT G. BOURDONComposer
IPI: 00355850837
JOSEPH HAHNComposer
IPI: 00355851834

Which contributors are credited?

0000 0000 5597 6677Rob Bourdon0000 0000 5871 8358Brad Delson0000 0003 8593 9916Joseph “Joe” Hahn0000 0001 1493 5593Chester Bennington

Identifier Graph

ISRCQZK6L2077228ISWCT-900216953-1IPICHESTER BENNING…IPIBRAD DELSONIPIMICHAEL KENJI S…IPIDAVE FARRELLISNIRob BourdonISNIBrad DelsonISNIJoseph “Joe” Ha…

MLC Song Code

W1963U
Verify on MLC Portal →
SourcesMusicBrainzMLCMLC✓3 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
Listen on Apple Music
Album: What I've Done - Single2:52Track 1

Who performed on this recording?

Performers

HalocenePerformer

Release

  • What I've Done(2020-09-04)
Halocene

One ISRC for “What I've Done” by Halocene is QZK6L2077228. 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 2020-09-04. The underlying musical work is ISWC T-900216953-1.

Halocene

Related

Other versions of this workView all on iswc.fm

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