ISWC · Musical Work

T-801541506-3

Mary Had a Little Boy

18 recordings

Last verified: February 15, 2026

The ISWC for “Mary Had a Little Boy” is T-801541506-3. 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 18 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

801541506Work number

3Check 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

ISRC18 recordings

ISWCMary Had a Little Boy

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00224049791 00217415098 00230002842

SourcesMusicBrainzMusicBrainzCISAC3 sources

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CISAC ISWC registry search

Identifier Graph

What is ISWC T-801541506-3?

T-801541506-3 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “Mary Had a Little Boy”. 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 18 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.

T-801541506-3

Format

What other identifiers does this connect to?

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What is ISWC T-801541506-3?

T-801541506-3

Format

What other identifiers does this connect to?

Which releases contain this work? (8)

Recordings (18)

Who are the artists on this work?

Verified on

People also ask

What is ISWC T-801541506-3?

Which releases contain this work? (8)

Recordings (18)

Who are the artists on this work?