ISWC · Musical Work

T-303206906-6

TRWY'R CWMWL / LLANCESAU TREFALDWYN

2 recordings

Last verified: February 15, 2026

The ISWC for “TRWY'R CWMWL / LLANCESAU TREFALDWYN” is T-303206906-6. 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). This work has 2 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

303206906Work number

6Check 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.

Credit Chain

ISRC2 recordings

ISWCTRWY'R CWMWL / LLANCESAU TREFALDWYN

SourcesCISACMLC2 sources

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CISAC ISWC registry search

Identifier Graph

What is ISWC T-303206906-6?

T-303206906-6 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “TRWY'R CWMWL / LLANCESAU TREFALDWYN”. 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.

This work has 2 recordings (ISRCs) associated with it. Each recording represents a distinct version — such as the original, a remix, a live performance, or a cover — that shares the same underlying composition.

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T-303206906-6

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What is ISWC T-303206906-6?

T-303206906-6

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Recordings (2)

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What is ISWC T-303206906-6?

Recordings (2)