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  3. USTC70878737

ISRC

USTC70878737

DON'T KNOW WHY

matched

Last verified: July 9, 2026

USTC70878737 is the International Standard Recording Code (ISRC) for the recording “DON'T KNOW WHY”. 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 T9109728656. Written by JOE KHAJADOURIAN, SAMUEL JEAN, ALEX SCHWARTZ.

Format

USCountry
TC7Registrant
08Year (2008)
78737Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2008):
Last two digits of the reference year (2008). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCDON'T KNOW WHY
ISWCDON'T KNOW WHY
IPIJOE KHAJADOURIAN

Musical Work (ISWC)

T9109728656DON'T KNOW WHY

People also ask

What is the ISRC for "DON'T KNOW WHY"?+
The ISRC for "DON'T KNOW WHY" is USTC70878737.
Who wrote "DON'T KNOW WHY"?+
"DON'T KNOW WHY" was written by JOE KHAJADOURIAN, SAMUEL JEAN, ALEX SCHWARTZ. The ISWC for this composition is T9109728656.
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. USTC70878737 is the ISRC for this recording; T9109728656 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 USTC70878737?

USTC70878737 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “DON'T KNOW WHY”. 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 T9109728656, 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

DON'T KNOW WHYCAENV2448291
DON'T CLAPCH6540890973
I DON'T KNOW WHYQZDA41912837
DON'T KNOW WHY (FEAT. W.G. SNUFFY WALDEN)TCABC1156315
DON'T KNOW WHYUSHM91819108

Songwriter profiles

JOE KHAJADOURIANIPISAMUEL JEANIPIALEX SCHWARTZIPI

Who wrote this song?

JOE KHAJADOURIANComposer
IPI: 00349913136
SAMUEL JEANComposer
IPI: 00572926618
ALEX SCHWARTZComposer
IPI: 00560671941

Which contributors are credited?

0000 0004 5835 1751Sam Hook0000 0004 6615 9735Sam Hook

Identifier Graph

ISRCUSTC70878737ISWCT9109728656IPIJOE KHAJADOURIANIPISAMUEL JEANIPIALEX SCHWARTZISNISam HookISNISam Hook

MLC Song Code

D7226N
Verify on MLC Portal →
SourcesMLCMusicBrainz✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

USTC70878737 is the International Standard Recording Code (ISRC) for the recording “DON'T KNOW WHY”. 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 T9109728656. Written by JOE KHAJADOURIAN, SAMUEL JEAN, ALEX SCHWARTZ.