ISWC · Musical Work

T-801902211-9

Day Six: Childhood

7 recordings

Last verified: February 15, 2026

The ISWC for “Day Six: Childhood” is T-801902211-9. 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). This work has 7 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

801902211Work 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.

Credit Chain

ISRC7 recordings

ISWCDay Six: Childhood

Previously known as

T-031863851-5

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00120116934

SourcesMusicBrainzMusicBrainzCISAC3 sources

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-801902211-9?

T-801902211-9 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “Day Six: Childhood”. 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 7 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.

Learn more about ISWCs · Powered by Notes.fm

ISWC · Musical Work

T-801902211-9

Day Six: Childhood

7 recordings

Last verified: February 15, 2026

Format

TPrefix

801902211Work 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.

Credit Chain

ISRC7 recordings

ISWCDay Six: Childhood

Previously known as

T-031863851-5

What other identifiers does this connect to?

Songwriters/Publishers (IPI)

00120116934

Which releases contain this work? (2)

The Human Equation

Ayreon

50522050419182012-01-01

The Human Equation

Ayreon

50522050419252010-01-01

Recordings (7)

Day Six: Childhood

Ayreon

NLB931601606

On release:Timeline(00819873013501)The Human Equation(5052205041918)The Human Equation(5052205041925)The Human Equation(50522050419687)The Human Equation(693723009322)The Human Equation(693723009421)The Human Equation(693723607023)Timeline(693723799520)The Human Equation(819873013488)The Human Equation(819873014508)

Ayreon

Ayreon

On release:The Human Equation(8712725749059)The Human Equation(8712725749073)The Human Equation(8712725749080)

Day Six: Childhood

Ayreon

NLR491600007

On release:The Theater Equation(8712725746256)The Theater Equation(886445837285)The Theater Equation(889853256891)The Theater Equation(889853256921)

Unknown Artist

Ayreon

On release:The Theater Equation(8712725746256)The Theater Equation(886445837285)The Theater Equation(889853256891)The Theater Equation(889853256921)

DAY SIX: CHILDHOOD (PIANO VERSION)

Unknown Artist

NLR490800030

Who are the artists on this work?

Ayreon

MLC Song Code

DC24MQ

Verify on MLC Portal →

SourcesMusicBrainzMusicBrainzCISAC3 sources

Verified on

CISAC ISWC registry search

Identifier Graph

T-801902211-9

Format

Previously known as

What other identifiers does this connect to?

Verified on

People also ask

What is ISWC T-801902211-9?

T-801902211-9

Format

Previously known as

What other identifiers does this connect to?

Which releases contain this work? (2)

Recordings (7)

Who are the artists on this work?

Verified on

People also ask

What is ISWC T-801902211-9?

Which releases contain this work? (2)

Recordings (7)

Who are the artists on this work?