8 LETRAS — ISWC T-040106147-9 | Credits.fm

ISWC · Musical Work

T-040106147-9

8 LETRAS

Last verified: October 27, 2026

The ISWC for “8 LETRAS” is T-040106147-9. ISWCs are ISO 15707 identifiers managed by CISAC; they identify the underlying song — its melody, lyrics, and arrangement — rather than any single recording. One composition can have many recordings (ISRCs).

Format

TPrefix

040106147Work number

9Check digit

Prefix:: "T" = musical work; "W" = work in progress.
Work number:: 9-digit unique work number assigned by CISAC.
Check digit:: ISO 7064 Mod 11-2 check digit that validates the rest of the code.

SourcesCISACMLCMusicBrainz3 sources

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What is the ISWC for “8 LETRAS”?

The ISWC for “8 LETRAS” is T-040106147-9. An ISWC (International Standard Musical Work Code) uniquely identifies the underlying musical composition — melody, lyrics, and arrangement — rather than any single recording.

What is ISWC T-040106147-9?

ISWC T-040106147-9 identifies the musical composition “8 LETRAS”. ISWCs are defined by ISO 15707 and managed by CISAC to uniquely identify the underlying song — the melody, lyrics, and arrangement.

How is an ISWC different from an ISRC?

An ISWC identifies a musical work (the underlying composition — melody, lyrics, arrangement). An ISRC identifies a specific sound recording of that work. One ISWC can have many ISRCs — for example, the original recording, a remix, a live version, and a cover would each have their own ISRC but share the same ISWC.

What is ISWC T-040106147-9?

T-040106147-9 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “8 LETRAS”. ISWCs are defined by ISO 15707 and managed by CISAC. Unlike ISRCs which identify recordings, an ISWC identifies the underlying song — the melody, lyrics, and arrangement.

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