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  1. Home
  2. ISRCs
  3. TCAAZ1139627
DO YOU NOT KNOW? album cover

ISRC

TCAAZ1139627

DO YOU NOT KNOW?

Song: DON'T U KNOW

matched

Last verified: July 14, 2026

TCAAZ1139627 is the International Standard Recording Code (ISRC) for the recording “DO YOU NOT KNOW?”. 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 T9135726646. Written by ROBERT F DIGGS, RUSSELL T JONES.

Format

TCCountry
AAZRegistrant
11Year (2011)
39627Designation
Country:
ISO 3166-1 alpha-2 country code (TC).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2011):
Last two digits of the reference year (2011). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCDO YOU NOT KNOW?
ISWCDON'T U KNOW
IPIROBERT F DIGGS

Musical Work (ISWC)

T9135726646DON'T U KNOW

People also ask

What is the ISRC for "DO YOU NOT KNOW?"?+
The ISRC for "DO YOU NOT KNOW?" is TCAAZ1139627.
Who wrote "DO YOU NOT KNOW?"?+
"DO YOU NOT KNOW?" was written by ROBERT F DIGGS, RUSSELL T JONES. The ISWC for this composition is T9135726646.
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. TCAAZ1139627 is the ISRC for this recording; T9135726646 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 TCAAZ1139627?

TCAAZ1139627 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “DO YOU NOT KNOW?”. 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 T9135726646, 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

TCAAZ1139627 is the International Standard Recording Code (ISRC) for the recording “DO YOU NOT KNOW?”. 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 T9135726646. Written by ROBERT F DIGGS, RUSSELL T JONES.

Who wrote this song?

ROBERT F DIGGSComposerLyricist
IPI: 00242590771
UNIVERSAL MUSIC-CAREERS OriginalPublisher25.00%IPI: 00539732230
RAMECCA PUBL., INC. OriginalPublisher0.00%IPI: 00185943332
UNIVERSAL MUSIC-CAREERS RightsAdministrator25.00%IPI: 00539732230
RUSSELL T JONESComposerLyricist
IPI: 00187272836

Who publishes this song?

UNIVERSAL MUSIC-CAREERSOriginalPublisher
IPI: 00539732230
RAMECCA PUBL., INC.OriginalPublisher
IPI: 00185943332

Which contributors are credited?

0000 0003 6836 9712Ol’ Dirty Bastard0000 0000 5491 2727Ol’ Dirty Bastard0000 0001 0921 8282RZA0000 0003 6855 8388RZA0000 0003 6855 8409RZA0000 0003 6855 8425RZA

Identifier Graph

ISRCTCAAZ1139627ISWCT9135726646IPIROBERT F DIGGSIPIRUSSELL T JONESISNIOl’ Dirty Basta…ISNIOl’ Dirty Basta…ISNIRZA

MLC Song Code

D06316
Verify on MLC Portal →
SourcesMLCMusicBrainz✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

Related

Other versions of this workView all on iswc.fm

I DON'T KNOW HOW I DON'T KNOWAUMGB1700342
Don’t U Know (instrumental) (2020 remaster)

Ol’ Dirty Bastard

USEE12000041
Don't You Know Part II

Ol’ Dirty Bastard

USEE12000031
Don't U Know

Ol’ Dirty Bastard, Killah Priest

USEE12000019
I DON'T KNOWAUZC30900043

Songwriter profiles

ROBERT F DIGGSIPIRUSSELL T JONESIPI