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  1. Home
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  3. USCA20400642
Countdown to Extinction (demo) album cover

ISRC

USCA20400642

Countdown to Extinction (demo)✓2

Song: Countdown to Extinction

Megadeth
matched
Released 2004-01-01

Last verified: August 19, 2026

USCA20400642 is the International Standard Recording Code (ISRC) for the recording “Countdown to Extinction (demo)” by Megadeth, released 2004-01-01. 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 T-911.056.619-3. Written by NICK MENZA, MARTIN ADAM FRIEDMAN, DAVID ELLEFSON, and others.

Format

USCountry
CA2Registrant
04Year (2004)
00642Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2004):
Last two digits of the reference year (2004). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCCountdown to Extinction (demo)
ISWCCountdown to Extinction
IPINICK MENZA

Musical Work (ISWC)

T-911.056.619-3Countdown to Extinction

People also ask

What is the ISRC for "Countdown to Extinction (demo)" by Megadeth?+
The ISRC for "Countdown to Extinction (demo)" by Megadeth is USCA20400642.
Who wrote "Countdown to Extinction (demo)"?+
"Countdown to Extinction (demo)" was written by NICK MENZA, MARTIN ADAM FRIEDMAN, DAVID ELLEFSON, DAVE MUSTAINE. The ISWC for this composition is T-911.056.619-3.
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. USCA20400642 is the ISRC for this recording; T-911.056.619-3 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 USCA20400642?

USCA20400642 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Countdown to Extinction (demo)” 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-911.056.619-3, 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?

NICK MENZAComposerLyricist
IPI: 00232831490
MARTIN ADAM FRIEDMANComposerLyricist
IPI: 00136940860
DAVID ELLEFSONComposerLyricist
IPI: 00231635788
MUSTAINE MUSIC OriginalPublisher0.00%IPI: 00205595570
WARNER-TAMERLANE PUBLISHING CORP. RightsAdministrator58.34%IPI: 00185314175
DAVE MUSTAINEComposerLyricist
IPI: 00205503805
MUSTAINE MUSIC OriginalPublisher0.00%IPI: 00205595570
WARNER-TAMERLANE PUBLISHING CORP. RightsAdministrator58.34%IPI: 00185314175

Who publishes this song?

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

Which contributors are credited?

0000 0000 6690 2278Marty Friedman0000 0000 7845 0627Dave Mustaine0000 0001 1462 3370David Ellefson

Identifier Graph

ISRCUSCA20400642ISWCT-911.056.619-3IPINICK MENZAIPIMARTIN ADAM FRI…IPIDAVID ELLEFSONIPIDAVE MUSTAINEISNIMarty FriedmanISNIDave MustaineISNIDavid Ellefson

MLC Song Code

C1827L
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
Megadeth

USCA20400642 is the International Standard Recording Code (ISRC) for the recording “Countdown to Extinction (demo)” by Megadeth, released 2004-01-01. 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 T-911.056.619-3. Written by NICK MENZA, MARTIN ADAM FRIEDMAN, DAVID ELLEFSON, and others.

Megadeth

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Songwriter profiles

NICK MENZAIPIMARTIN ADAM FRIEDMANIPIDAVID ELLEFSONIPIDAVE MUSTAINEIPI