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  3. TCACK1581183
Blocks album cover

ISRC

TCACK1581183

Blocks

Song: BLOCKS

Marshmello
matched
Released 2015-03-07

Last verified: September 6, 2026

TCACK1581183 is the International Standard Recording Code (ISRC) for the recording “Blocks” by Marshmello, released 2015-03-07. 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-923965560-8. Written by CHRISTOPHER COMSTOCK.

Format

TCCountry
ACKRegistrant
15Year (2015)
81183Designation
Country:
ISO 3166-1 alpha-2 country code (TC).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2015):
Last two digits of the reference year (2015). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCBlocks
ISWCBLOCKS
IPICHRISTOPHER COMSTOCK

Musical Work (ISWC)

T-923965560-8BLOCKS

People also ask

What is the ISRC for "Blocks" by Marshmello?+
The ISRC for "Blocks" by Marshmello is TCACK1581183.
Who wrote "Blocks"?+
"Blocks" was written by CHRISTOPHER COMSTOCK. The ISWC for this composition is T-923965560-8.
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. TCACK1581183 is the ISRC for this recording; T-923965560-8 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 TCACK1581183?

TCACK1581183 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Blocks” by Marshmello. 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-923965560-8, 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

Who wrote this song?

CHRISTOPHER COMSTOCKComposerLyricist
IPI: 00831814251
MARSHMELLO MUSIC OriginalPublisher0.00%IPI: 00832203576
KOBALT MUSIC PUB AMERICA INC SubPublisher100.00%IPI: 00503659557
MARSHMELLO MUSIC OriginalPublisher0.00%IPI: 00832203576
KOBALT MUSIC PUB AMERICA INC SubPublisher100.00%IPI: 00503659557

Who publishes this song?

MARSHMELLO MUSICOriginalPublisher
IPI: 00832203576
KOBALT MUSIC PUB AMERICA INCSubPublisher
IPI: 00503659557

Identifier Graph

ISRCTCACK1581183ISWCT-923965560-8IPICHRISTOPHER COM…

MLC Song Code

BA3EQB
Verify on MLC Portal →
SourcesMusicBrainzMLCNotesMLC via Notes✓4 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
Marshmello

TCACK1581183 is the International Standard Recording Code (ISRC) for the recording “Blocks” by Marshmello, released 2015-03-07. 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-923965560-8. Written by CHRISTOPHER COMSTOCK.

Marshmello

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