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  1. Home
  2. ISRCs
  3. USCA20400621
The Doctor Is Calling album cover

ISRC

USCA20400621

The Doctor Is Calling✓2

Megadeth
matched
Released 2004-01-01

Last verified: August 26, 2026

USCA20400621 is the International Standard Recording Code (ISRC) for the recording “The Doctor Is Calling” 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 T3124552047. Written by DAVE MUSTAINE, MARTIN ADAM FRIEDMAN, EVARARD S PRAGER, and others.

Format

USCountry
CA2Registrant
04Year (2004)
00621Designation
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

ISRCThe Doctor Is Calling
ISWCThe Doctor Is Calling
IPIDAVE MUSTAINE

Musical Work (ISWC)

T3124552047The Doctor Is Calling

People also ask

What is the ISRC for "The Doctor Is Calling" by Megadeth?+
The ISRC for "The Doctor Is Calling" by Megadeth is USCA20400621.
Who wrote "The Doctor Is Calling"?+
"The Doctor Is Calling" was written by DAVE MUSTAINE, MARTIN ADAM FRIEDMAN, EVARARD S PRAGER, JIMMY DEGRASSO. The ISWC for this composition is T3124552047.
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. USCA20400621 is the ISRC for this recording; T3124552047 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 USCA20400621?

USCA20400621 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “The Doctor Is Calling” 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 T3124552047, 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 OriginalPublisherIPI: 00205595570
WARNER-TAMERLANE PUBLISHING CORP. RightsAdministratorIPI: 00185314175
MUSTAINE MUSIC OriginalPublisherIPI: 00205595570
WARNER-TAMERLANE PUBLISHING CORP. RightsAdministratorIPI: 00185314175
MARTIN ADAM FRIEDMANComposerLyricist
IPI: 00136940860
EVARARD S PRAGERComposerLyricist
IPI: 00353305585
JIMMY DEGRASSOComposerLyricist
IPI: 00186986696

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 Mustaine

Identifier Graph

ISRCUSCA20400621ISWCT3124552047IPIDAVE MUSTAINEIPIMARTIN ADAM FRI…IPIEVARARD S PRAGERIPIJIMMY DEGRASSOISNIMarty FriedmanISNIDave Mustaine

MLC Song Code

T59002
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

Related

Other versions of this workView all on iswc.fm

THE DOCTOR IS CALLINGEMIDD0335869
THE DOCTOR IS CALLINGUSEDD0442483

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Songwriter profiles

DAVE MUSTAINEIPIMARTIN ADAM FRIEDMANIPIEVARARD S PRAGERIPIJIMMY DEGRASSOIPI
Megadeth

USCA20400621 is the International Standard Recording Code (ISRC) for the recording “The Doctor Is Calling” 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 T3124552047. Written by DAVE MUSTAINE, MARTIN ADAM FRIEDMAN, EVARARD S PRAGER, and others.

Megadeth