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  3. USRDC7520004
Heart of Stone album cover

Heart of Stone✓2

ISRC

USRDC7520004
Silver Convention
matched
Released 1975-01-01

Last verified: September 30, 2026

One ISRC for “Heart of Stone” by Silver Convention is USRDC7520004. 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 1975-01-01. The underlying musical work is ISWC T8010723453. Written by GARY UNWIN, SYLVESTER LEVAY, STEPHAN PRAGER.

Format

US
Country
RDCRegistrant
75Year (1975)
20004Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (1975):
Last two digits of the reference year (1975). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCHeart of Stone
ISWCHeart of Stone
IPIGARY UNWIN

Musical Work (ISWC)

T8010723453Heart of Stone

People also ask

What is one ISRC for “Heart of Stone” by Silver Convention?+
One ISRC for “Heart of Stone” by Silver Convention is USRDC7520004.
What is the ISWC for “Heart of Stone”?+
The ISWC for “Heart of Stone” is T8010723453. The ISRC USRDC7520004 identifies this specific recording; the ISWC identifies the underlying musical work shared by all versions.
Who wrote “Heart of Stone”?+
“Heart of Stone” was written by GARY UNWIN, SYLVESTER LEVAY, STEPHAN PRAGER. The ISWC for this composition is T8010723453.
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. USRDC7520004 is the ISRC for this recording; T8010723453 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 USRDC7520004?

USRDC7520004 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Heart of Stone” by Silver Convention. 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 T8010723453, 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?

GARY UNWINComposerLyricist
IPI: 00035330611
SYLVESTER LEVAYComposerLyricist
IPI: 00034657282
STEPHAN PRAGERComposerLyricist
IPI: 00054423005

Which contributors are credited?

0000 0000 7828 4526Sylvester Levay

Identifier Graph

ISRCUSRDC7520004ISWCT8010723453IPIGARY UNWINIPISYLVESTER LEVAYIPISTEPHAN PRAGERISNISylvester Levay

MLC Song Code

H26524
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
Silver Convention

One ISRC for “Heart of Stone” by Silver Convention is USRDC7520004. 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 1975-01-01. The underlying musical work is ISWC T8010723453. Written by GARY UNWIN, SYLVESTER LEVAY, STEPHAN PRAGER.

Silver Convention

Related

Other versions of this workView all on iswc.fm

HEARTS OF STONEUS4K80401220
HEART OF STONEUKDNQ1515152
HEART OF STEELBEX500404008
HEART OF STONEQMWHB2424048
HEARTS OF STONEUST7W1022405

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Songwriter profiles

GARY UNWINIPISYLVESTER LEVAYIPISTEPHAN PRAGERIPI