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IPIs
Willem

IPI · Songwriter

Willem

00456511557

View full musician profile

4 works43 recordings

Last verified: July 15, 2026

00456511557 is the Interested Parties Information (IPI) code assigned to Willem, a songwriter. IPI numbers are unique 11-digit identifiers managed by SUISA on behalf of CISAC, used by performing rights organizations worldwide to track royalty payments to rights holders. Willem has 4 registered works and 43 recordings indexed on Credits.fm.

Format

0045651155Sequential number

7Check digit

Sequential number:: Globally unique number assigned by CISAC/SUISA when the rights-holder was registered.
Check digit:: ISO 7064 Mod 10-1 check digit that validates the IPI.

Credit Chain

ISRC43 recordings

ISWC4 works

IPIWillem

4

Works

43

Recordings

0

Publishers

—

Avg. Share

Musical Works (4)

T-031888017-9 T-031923520-5 T-925783380-0 T-926169958-5

Recordings (43)

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Identifier Graph

People also ask

What is the IPI number for Willem?+

The IPI number for Willem is 00456511557. You can view their full catalog of works and recordings at ipi.fm/00456511557.

Who is IPI 00456511557?+

IPI 00456511557 is assigned to Willem, a songwriter. IPI numbers are unique identifiers managed by SUISA on behalf of CISAC, used by performing rights organizations worldwide to track rights holders.

How many songs did Willem write?+

Willem (IPI 00456511557) has 4 musical works (ISWCs) and 43 recordings (ISRCs) indexed on Credits.fm.

How is an IPI number different from an ISNI?+

IPI codes are 11-digit identifiers managed by CISAC for performing rights organizations — they track who collects royalties. ISNIs are 16-digit ISO 27729 identifiers managed by the ISNI International Agency — they identify a public creative identity across all industries (music, books, film). The same person can have both: an IPI for royalty management and an ISNI for identity.

Who assigns IPI numbers?+

IPI numbers are assigned by performing rights organizations (PROs) like ASCAP, BMI, SESAC, SOCAN, PRS, GEMA, SACEM, JASRAC, and others. SUISA (the Swiss PRO) maintains the global IPI database on behalf of CISAC, the international confederation of authors and composers societies.

SourcesMusicBrainzMLCMusicBrainz✓3 sources

Verified on

MusicBrainz artist record

Who is IPI 00456511557?

00456511557 is an Interested Parties Information (IPI) code assigned to Willem, a songwriter. IPI numbers are unique identifiers managed by SUISA on behalf of CISAC, used by performing rights organizations worldwide to identify rights holders and distribute royalties.

Willem has 4 musical works (ISWCs) and 43 recordings in our database.

Learn more about IPIs · Powered by Notes.fm

Most Recorded Works

Dans met mij

T-926169958-5

Voor altijd

T-031923520-5

Hier ver vandaan

T-031888017-9

Een echte man

T-925783380-0