ISRC
Song: FOUR O'CLOCK BLUES
Last verified:
One ISRC for “4 O’Clock Blues” by Erwin Helfer is USHM20346781. 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 2002-01-01.
USHM20346781 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “4 O’Clock Blues” by Erwin Helfer. 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.
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This ISRC still identifies a valid recording; the available sources have not yet connected it to an ISWC for the underlying composition. Available release, performer, producer, and songwriter links remain visible below.
Credits Graph
One ISRC for “4 O’Clock Blues” by Erwin Helfer is USHM20346781. 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 2002-01-01.
Performers
Label
The Sirens Records
Release
