ISRC
I Sent You a Letter2
Last verified:
USN1R1906004 is the International Standard Recording Code (ISRC) for the recording “I Sent You a Letter” by Bubble Guppies Cast, released 2019-09-27. 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 T0700847864.
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USN1R1906004 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “I Sent You a Letter” by Bubble Guppies Cast. 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 T0700847864, 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.
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USN1R1906004 is the International Standard Recording Code (ISRC) for the recording “I Sent You a Letter” by Bubble Guppies Cast, released 2019-09-27. 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 T0700847864.
