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In My Darkest Hour album cover

In My Darkest Hour✓2

ISRC

USCA28700015
Megadeth
matched
Released 1988-01-01

Last verified: September 28, 2026

The ISRC for “In My Darkest Hour” by Megadeth is USCA28700015. 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 1988-01-01. The underlying musical work is ISWC T-911063700-8. Written by DAVE MUSTAINE, DAVID ELLEFSON.

Format

USCountry
CA2Registrant
87Year (1987)
00015Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (1987):
Last two digits of the reference year (1987). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCIn My Darkest Hour
ISWCIn My Darkest Hour
IPIDAVE MUSTAINE

Musical Work (ISWC)

T-911063700-8In My Darkest Hour

People also ask

What is the ISRC for “In My Darkest Hour” by Megadeth?+
The ISRC for “In My Darkest Hour” by Megadeth is USCA28700015.
What is the ISWC for “In My Darkest Hour”?+
The ISWC for “In My Darkest Hour” is T-911063700-8. The ISRC USCA28700015 identifies this specific recording; the ISWC identifies the underlying musical work shared by all versions.
Who wrote “In My Darkest Hour”?+
“In My Darkest Hour” was written by DAVE MUSTAINE, DAVID ELLEFSON. The ISWC for this composition is T-911063700-8.
Who publishes “In My Darkest Hour”?+
The publishers credited on “In My Darkest Hour” include: MUSTAINE MUSIC, WARNER-TAMERLANE PUBLISHING CORP.. 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. USCA28700015 is the ISRC for this recording; T-911063700-8 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 USCA28700015?

USCA28700015 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “In My Darkest Hour” by Megadeth. 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-911063700-8, 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?

DAVE MUSTAINEComposerLyricist
IPI: 00205503805
MUSTAINE MUSIC OriginalPublisher0.00%IPI: 00205595570
WARNER-TAMERLANE PUBLISHING CORP. RightsAdministrator100.00%IPI: 00185314175
DAVID ELLEFSONComposerLyricist
IPI: 00231635788
MUSTAINE MUSIC OriginalPublisher0.00%IPI: 00205595570
WARNER-TAMERLANE PUBLISHING CORP. RightsAdministrator100.00%IPI: 00185314175

Who publishes this song?

MUSTAINE MUSICOriginalPublisher
IPI: 00205595570
WARNER-TAMERLANE PUBLISHING CORP.RightsAdministrator
IPI: 00185314175

Which contributors are credited?

0000 0000 7845 0627Dave Mustaine0000 0001 1462 3370David Ellefson

Identifier Graph

ISRCUSCA28700015ISWCT-911063700-8IPIDAVE MUSTAINEIPIDAVID ELLEFSONISNIDave MustaineISNIDavid Ellefson

MLC Song Code

I73765
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
Megadeth

The ISRC for “In My Darkest Hour” by Megadeth is USCA28700015. 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 1988-01-01. The underlying musical work is ISWC T-911063700-8. Written by DAVE MUSTAINE, DAVID ELLEFSON.

Megadeth

Related

Other versions of this workView all on iswc.fm

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Songwriter profiles

DAVE MUSTAINEIPIDAVID ELLEFSONIPI