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  1. Home
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  3. QMKHM1900173
So What album cover

So What✓2

ISRC

QMKHM1900173

Song: So What?

Metallica
matched
Released 1991-01-01

Last verified: September 7, 2026

The ISRC for “So What” by Metallica is QMKHM1900173. 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 1991-01-01. The underlying musical work is ISWC T-911668662-5.

Format

QMCountry
KHMRegistrant
19Year (2019)
00173Designation
Country:
ISO 3166-1 alpha-2 country code (QM).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2019):
Last two digits of the reference year (2019). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCSo What
ISWCSo What?

Musical Work (ISWC)

T-911668662-5So What?

People also ask

What is the ISRC for “So What” by Metallica?+
The ISRC for “So What” by Metallica is QMKHM1900173.
What is the ISWC for “So What?”?+
The ISWC for “So What?” is T-911668662-5. This recording is titled “So What”. The ISRC QMKHM1900173 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. QMKHM1900173 is the ISRC for this recording; T-911668662-5 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 QMKHM1900173?

QMKHM1900173 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “So What” by Metallica. 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-911668662-5, 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

Metallica

The ISRC for “So What” by Metallica is QMKHM1900173. 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 1991-01-01. The underlying musical work is ISWC T-911668662-5.

Metallica

Related

Other versions of this workView all on iswc.fm

So What

Metallica

USEV19100002
So What?

Metallica

QMKHM2400152
So What

Metallica

QMKHM2400180
So What

Metallica

QMKHM2400207
So What (early take, October 12th, 1990)

Metallica

QMKHM1900104

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Who wrote this song?

NICHOLAS JOHN CULMERComposer
IPI: 00659638786
NICHOLAS JOHN CULMERComposer
PICADILLY MUSIC CORP. OriginalPublisherIPI: 00024269495
DOWNTOWN DMP SONGS RightsAdministratorIPI: 00508176945
CLIVE HARVEY BLAKEComposer
PICADILLY MUSIC CORP. OriginalPublisherIPI: 00024269495
DOWNTOWN DMP SONGS RightsAdministratorIPI: 00508176945
CHRIS DAVID EXALLComposer
PICADILLY MUSIC CORP. OriginalPublisherIPI: 00024269495
DOWNTOWN DMP SONGS RightsAdministratorIPI: 00508176945

Who publishes this song?

PICADILLY MUSIC CORP.OriginalPublisher
IPI: 00024269495
DOWNTOWN DMP SONGSRightsAdministrator
IPI: 00508176945

Identifier Graph

ISRCQMKHM1900173ISWCT-911668662-5IPINICHOLAS JOHN C…

MLC Song Code

X8039V
Verify on MLC Portal →
SourcesMusicBrainzMLCMLC✓3 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
Listen on Apple Music
Album: Metallica (Deluxe Box Set)3:09Track 8

Who performed on this recording?

Production

James HetfieldProducer
Lars UlrichProducer
Bob RockProducer
Randy StaubEngineer
Randy StaubMix

Label

Blackened

Appears on

  • Garage Inc.(2023-01-01)
  • The Best of the Best(2019-01-01)· Sony Records (2)
  • Garage Inc.(2014-01-01)
  • Garage Inc.(2014-01-01)
  • Metallica(2021-09-10)
  • Metallica(2021-09-10)
  • Garage Inc.(2016-01-01)
  • Garage Inc.(2015-06-22)