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  3. USSK30644412
Secondary Characters album cover

ISRC

USSK30644412

Secondary Characters✓2

Song: SECONDARY CHARACTERS (FROM 'TITLE OF SHOW')

Heidi BlickenstaffSusan Blackwell
unmatchedNot yet matched in the MLC database
Released 2006-07-25

Last verified: August 23, 2026

USSK30644412 is the International Standard Recording Code (ISRC) for the recording “Secondary Characters” by Heidi Blickenstaff, Susan Blackwell, released 2006-07-25. 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.

Format

USCountry
SK3Registrant
06Year (2006)
44412Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2006):
Last two digits of the reference year (2006). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Unmatched Recording

This recording has not been matched to a musical work in the Mechanical Licensing Collective (MLC) database. Mechanical royalties for unmatched recordings may be held in an unmatched pool until a rights holder claims them. If you own the rights to this work, you can submit a claim through the MLC Portal.

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This recording is not yet in the Notes database. Notes-enhanced ISRCs include ownership data, songwriter credits, and publisher chains.

MLC Song Code

S3765H
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

People also ask

What is the ISRC for "Secondary Characters" by Heidi Blickenstaff?+
The ISRC for "Secondary Characters" by Heidi Blickenstaff, Susan Blackwell is USSK30644412.
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.

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What is ISRC USSK30644412?

USSK30644412 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Secondary Characters” by Heidi Blickenstaff, Susan Blackwell. 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.

Learn more about ISRCs · Powered by Notes.fm

Heidi BlickenstaffSusan Blackwell

USSK30644412 is the International Standard Recording Code (ISRC) for the recording “Secondary Characters” by Heidi Blickenstaff, Susan Blackwell, released 2006-07-25. 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.

Heidi Blickenstaff, Susan Blackwell

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