ISWC · Musical Work

T-905503321-1

A Return to the Sea

4 recordings

Last verified: August 28, 2026

The ISWC for “A Return to the Sea” is T-905503321-1. 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 4 known recordings (ISRCs) indexed on Credits.fm.

Format

TPrefix

905503321Work number

1Check 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

ISRC4 recordings

ISWCA Return to the Sea

SourcesMusicBrainz

Verified on

CISAC ISWC registry search

Identifier Graph

What is ISWC T-905503321-1?

T-905503321-1 is an International Standard Musical Work Code (ISWC) that uniquely identifies the musical composition “A Return to the Sea”. 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 4 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-905503321-1

A Return to the Sea

4 recordings

Last verified: August 28, 2026

Format

TPrefix

905503321Work number

1Check 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

ISRC4 recordings

ISWCA Return to the Sea

Which releases contain this work? (17)

Bless the Child

Nightwish

0440019344212002-01-01

Angels Fall First

Nightwish

0440066878272002-01-01

Bless the Child

Nightwish

06024985988872002-01-01

Angels Fall First

Nightwish

06025174493432007-01-01

Angels Fall First

Nightwish

06025473505032022-01-01

Oceanborn

Nightwish

35974915179281999-01-01

Wishmastour 2000

Nightwish

35974915549232003-01-01

Wishsides

Nightwish

4602094908332005-01-01

Bless the Child

Nightwish

46050260086872006-01-01

Angels Fall First

Nightwish

49880057060342012-01-01

Angels Fall First

Nightwish

49880618736192004-01-01

Walking in the Air: The Greatest Ballads

Nightwish

54008631245952011-11-02

Angels Fall First

Nightwish

5400863124656

Angels Fall First

Nightwish

54008631246632007-01-01

Bless the Child

Nightwish

54008631246942006-05-28

Bless the Child

Nightwish

602498598887

Angels Fall First

Nightwish

6025174493432016-01-01

Recordings (4)

A Return to the Sea

Nightwish

FISFS9700002

On release:Bless the Child(044001934421)Angels Fall First(044006687827)Bless the Child(0602498598887)Angels Fall First(0602517449343)Lokikirja(0602527228648)Angels Fall First(0602547350503)Oceanborn(3597491517928)Wishmastour 2000(3597491554923)Wishsides(460209490833)Bless the Child(4605026008687)Highest Hopes: The Best of Nightwish(4988005412553)Angels Fall First(4988005706034)Angels Fall First(4988061873619)Walking in the Air: The Greatest Ballads(5400863124595)Angels Fall First(5400863124656)Angels Fall First(5400863124663)Bless the Child(5400863124694)Bless the Child(602498598887)Highest Hopes: The Best of Nightwish(602498740712)Angels Fall First(602517449343)

Nightwish

Nightwish

Nightwish

MLC Song Code

R3450T

Verify on MLC Portal →

SourcesMusicBrainz

Verified on

CISAC ISWC registry search

Identifier Graph

T-905503321-1

Format

Verified on

People also ask

What is ISWC T-905503321-1?

T-905503321-1

Format

Which releases contain this work? (17)

Recordings (4)

Verified on

People also ask

What is ISWC T-905503321-1?

Which releases contain this work? (17)

Recordings (4)