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  3. USMC19902066
Sad Sad Day album cover

ISRC

USMC19902066

Sad Sad Day✓2

Muddy Waters
matched
Released 1972-01-01

Last verified: July 30, 2026

USMC19902066 is the International Standard Recording Code (ISRC) for the recording “Sad Sad Day” by Muddy Waters, released 1972-01-01. 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 T-071212629-8.

Format

USCountry
MC1Registrant
99Year (1999)
02066Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (1999):
Last two digits of the reference year (1999). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCSad Sad Day
ISWCSad Sad Day

Musical Work (ISWC)

T-071212629-8Sad Sad Day

Credits Graph

MLC Song Code

S00625
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

People also ask

What is the ISRC for "Sad Sad Day" by Muddy Waters?+
The ISRC for "Sad Sad Day" by Muddy Waters is USMC19902066.
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. USMC19902066 is the ISRC for this recording; T-071212629-8 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 USMC19902066?

USMC19902066 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Sad Sad Day” by Muddy Waters. 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-071212629-8, 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

Muddy Waters

USMC19902066 is the International Standard Recording Code (ISRC) for the recording “Sad Sad Day” by Muddy Waters, released 1972-01-01. 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 T-071212629-8.

Muddy Waters

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