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  3. ATG302023613
PORGY AND BESS: IT AIN'T NECESSARILY SO (ARR. J. HEIFETZ FOR VIOLIN & PIANO) album cover

PORGY AND BESS: IT AIN'T NECESSARILY SO (ARR. J. HEIFETZ FOR VIOLIN & PIANO)

ISRC

ATG302023613

Song: IT AIN'T NECESSARILY SO

matched

Last verified: September 10, 2026

The ISRC for this recording (“PORGY AND BESS: IT AIN'T NECESSARILY SO (ARR. J. HEIFETZ FOR VIOLIN & PIANO)”) is ATG302023613. 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 T9007578623.

Format

ATCountry
G30Registrant
20Year (2020)
23613Designation
Country:
ISO 3166-1 alpha-2 country code (AT).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2020):
Last two digits of the reference year (2020). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCPORGY AND BESS: IT AIN'T NECESSARILY SO (ARR. J. HEIFETZ FOR VIOLIN & PIANO)
ISWCIT AIN'T NECESSARILY SO

Musical Work (ISWC)

T9007578623IT AIN'T NECESSARILY SO

People also ask

What is the ISRC for this recording of “PORGY AND BESS: IT AIN'T NECESSARILY SO (ARR. J. HEIFETZ FOR VIOLIN & PIANO)”?+
The ISRC for this recording (“PORGY AND BESS: IT AIN'T NECESSARILY SO (ARR. J. HEIFETZ FOR VIOLIN & PIANO)”) is ATG302023613.
What is the ISWC for “IT AIN'T NECESSARILY SO”?+
The ISWC for “IT AIN'T NECESSARILY SO” is T9007578623. This recording is titled “PORGY AND BESS: IT AIN'T NECESSARILY SO (ARR. J. HEIFETZ FOR VIOLIN & PIANO)”. The ISRC ATG302023613 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. ATG302023613 is the ISRC for this recording; T9007578623 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 ATG302023613?

ATG302023613 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “PORGY AND BESS: IT AIN'T NECESSARILY SO (ARR. J. HEIFETZ FOR VIOLIN & PIANO)”. 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 T9007578623, 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

Credits Graph

MLC Song Code

I81760
Verify on MLC Portal →
SourcesMLC

Verified on

  • MusicBrainz recording record
  • MLC song record

The ISRC for this recording (“PORGY AND BESS: IT AIN'T NECESSARILY SO (ARR. J. HEIFETZ FOR VIOLIN & PIANO)”) is ATG302023613. 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 T9007578623.

Related

Other versions of this workView all on iswc.fm

PORGY AND BESS, ACT II SCENE 2: IT AIN'T NECESSARILY SO (RECORDED 1935)GBAJU9100259
"""""""PORGY AND BESS"""": 'IT AIN'T NECESSARILY SO'"""JPP302000432
IT AIN'T NECESSARILY SOQMVRR1431744
PORGY AND BESS, ACT I: SUMMERTIMEUSASX0828413
IT AIN'T NECESSARILY SOUSHM81013000