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  1. Home
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  3. USRC16903484
How Long Blues album cover

ISRC

USRC16903484

How Long Blues✓2

Song: How Long, How Long Blues

Hot Tuna
matched
Released 1970-01-01

Last verified: July 10, 2026

USRC16903484 is the International Standard Recording Code (ISRC) for the recording “How Long Blues” by Hot Tuna, released 1970-01-01. 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-071.396.166-0.

Format

USCountry
RC1Registrant
69Year (1969)
03484Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (1969):
Last two digits of the reference year (1969). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCHow Long Blues
ISWCHow Long, How Long Blues

Musical Work (ISWC)

T-071.396.166-0How Long, How Long Blues

Credits Graph

MLC Song Code

B36933
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

People also ask

What is the ISRC for "How Long Blues" by Hot Tuna?+
The ISRC for "How Long Blues" by Hot Tuna is USRC16903484.
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. USRC16903484 is the ISRC for this recording; T-071.396.166-0 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 USRC16903484?

USRC16903484 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “How Long Blues” by Hot Tuna. 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-071.396.166-0, 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

Hot Tuna

USRC16903484 is the International Standard Recording Code (ISRC) for the recording “How Long Blues” by Hot Tuna, released 1970-01-01. 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-071.396.166-0.

Hot Tuna

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