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  3. USPR34300003
I Never Knew album cover

I Never Knew✓2

ISRC

USPR34300003
Lester Young Quartet
matched
Released 1944-01-01

Last verified: September 23, 2026

The ISRC for “I Never Knew” by Lester Young Quartet is USPR34300003. 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 1944-01-01. The underlying musical work is ISWC T-070.086.611-0.

Format

USCountry
PR3Registrant
43Year (2043)
00003Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2043):
Last two digits of the reference year (2043). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCI Never Knew
ISWCI Never Knew

Musical Work (ISWC)

T-070.086.611-0I Never Knew

People also ask

What is the ISRC for “I Never Knew” by Lester Young Quartet?+
The ISRC for “I Never Knew” by Lester Young Quartet is USPR34300003.
What is the ISWC for “I Never Knew”?+
The ISWC for “I Never Knew” is T-070.086.611-0. The ISRC USPR34300003 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. USPR34300003 is the ISRC for this recording; T-070.086.611-0 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 USPR34300003?

USPR34300003 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “I Never Knew” by Lester Young Quartet. 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 T-070.086.611-0, 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

I25741
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
Lester Young Quartet

The ISRC for “I Never Knew” by Lester Young Quartet is USPR34300003. 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 1944-01-01. The underlying musical work is ISWC T-070.086.611-0.

Lester Young Quartet

Related

Other versions of this workView all on iswc.fm

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DKEFA9908703
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