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  1. Home
  2. ISRCs
  3. US25X1086510
I Know, Didn’t I (instrumental) album cover

ISRC

US25X1086510

I Know, Didn’t I (instrumental)✓2

Song: I DIDN'T KNOW WHAT TIME IT WAS

Slimkid3DJ Nu-Mark
matched
Released 2014-08-26

Last verified: July 17, 2026

US25X1086510 is the International Standard Recording Code (ISRC) for the recording “I Know, Didn’t I (instrumental)” by Slimkid3, DJ Nu-Mark, released 2014-08-26. 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 T0709026663.

Format

USCountry
25XRegistrant
10Year (2010)
86510Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2010):
Last two digits of the reference year (2010). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCI Know, Didn’t I (instrumental)
ISWCI DIDN'T KNOW WHAT TIME IT WAS

Musical Work (ISWC)

T0709026663I DIDN'T KNOW WHAT TIME IT WAS

Credits Graph

MLC Song Code

I07901
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

People also ask

What is the ISRC for "I Know, Didn’t I (instrumental)" by Slimkid3?+
The ISRC for "I Know, Didn’t I (instrumental)" by Slimkid3, DJ Nu-Mark is US25X1086510.
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. US25X1086510 is the ISRC for this recording; T0709026663 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 US25X1086510?

US25X1086510 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “I Know, Didn’t I (instrumental)” by Slimkid3, DJ Nu-Mark. 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 T0709026663, 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

Related

Other versions of this workView all on iswc.fm

I DIDN'T KNOW WHAT TIME IT WASUSFI86300094
I Didn’t Know What Time It Was

Monica Zetterlund

GBBLY0900133
Time Was

Trio 3

CH2700699465
I Didn’t Know

Smilin’ Bobby & Hidden Charms

ATW161082102
It’s Time

Andri

DEDL81001444

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US25X1086510 is the International Standard Recording Code (ISRC) for the recording “I Know, Didn’t I (instrumental)” by Slimkid3, DJ Nu-Mark, released 2014-08-26. 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 T0709026663.

Slimkid3, DJ Nu-Mark