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  1. Home
  2. ISRCs
  3. CZA100308004
KLAKSON album cover

ISRC

CZA100308004

KLAKSON

O5 A RADEČEKO5 & RADECEK
matched

Last verified: September 20, 2026

CZA100308004 is the International Standard Recording Code (ISRC) for the recording “KLAKSON” by O5 A RADEČEK, O5 & RADECEK. ISRCs are 12-character ISO 3901 identifiers that uniquely tag a specific sound recording — different masters, remixes, and live versions each receive a distinct ISRC. The underlying musical work is ISWC T1066539782. Written by TOMAS POLAK, RADEK SEKYRA, ONDREJ POLAK, and others.

Format

CZCountry
A10Registrant
03Year (2003)
08004Designation
Country:
ISO 3166-1 alpha-2 country code (CZ).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2003):
Last two digits of the reference year (2003). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCKLAKSON
ISWCKLAKSON
IPITOMAS POLAK

Musical Work (ISWC)

T1066539782KLAKSON

People also ask

What is the ISRC for "KLAKSON" by O5 A RADEČEK?+
The ISRC for "KLAKSON" by O5 A RADEČEK, O5 & RADECEK is CZA100308004.
Who wrote "KLAKSON"?+
"KLAKSON" was written by TOMAS POLAK, RADEK SEKYRA, ONDREJ POLAK, PREMYSL PTACEK, KAMIL NAVRATIL. The ISWC for this composition is T1066539782.
What is an ISRC and what does it tell you?+
An ISRC (International Standard Recording Code) is a 12-character ISO 3901 identifier that uniquely tags a specific sound recording. The first two characters are the country code, the next three are the registrant (label or distributor), the next two are the year, and the last five are a unique recording number.
Is the ISRC the same as the ISWC?+
No. The ISRC identifies a specific recording, while the ISWC identifies the underlying musical composition. CZA100308004 is the ISRC for this recording; T1066539782 is the ISWC for the composition it is a recording of. One composition (ISWC) can have many recordings (ISRCs) — originals, remixes, live versions, and covers each get their own ISRC but share the same ISWC.

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What is ISRC CZA100308004?

CZA100308004 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “KLAKSON” by O5 A RADEČEK, O5 & RADECEK. ISRCs are 12-character alphanumeric codes defined by ISO 3901, used globally by streaming platforms, record labels, and rights organizations to track plays and distribute royalties.

This recording is linked to the musical work T1066539782, which represents the underlying composition. Multiple recordings can share the same musical work — for example, an original version, a remix, and a cover would each have their own ISRC but reference the same ISWC.

Learn more about ISRCs · Powered by Notes.fm

O5 A RADEČEKO5 & RADECEK

CZA100308004 is the International Standard Recording Code (ISRC) for the recording “KLAKSON” by O5 A RADEČEK, O5 & RADECEK. ISRCs are 12-character ISO 3901 identifiers that uniquely tag a specific sound recording — different masters, remixes, and live versions each receive a distinct ISRC. The underlying musical work is ISWC T1066539782. Written by TOMAS POLAK, RADEK SEKYRA, ONDREJ POLAK, and others.

O5 A RADEČEK, O5 & RADECEK

Who wrote this song?

TOMAS POLAKComposerLyricist
IPI: 00289637111
OSA (OCHRANNY SVAZ AUTORSKY) OriginalPublisher
MUSERK OSA OriginalPublisher
RADEK SEKYRAComposerLyricist
IPI: 00494352924
OSA (OCHRANNY SVAZ AUTORSKY) OriginalPublisher
MUSERK OSA OriginalPublisher
ONDREJ POLAKComposerLyricist
IPI: 00494347423
OSA (OCHRANNY SVAZ AUTORSKY) OriginalPublisher
MUSERK OSA OriginalPublisher
PREMYSL PTACEKComposerLyricist
IPI: 00494348126
OSA (OCHRANNY SVAZ AUTORSKY) OriginalPublisher
MUSERK OSA OriginalPublisher
KAMIL NAVRATILComposerLyricist
IPI: 00494347913
OSA (OCHRANNY SVAZ AUTORSKY) OriginalPublisher
MUSERK OSA OriginalPublisher

Who publishes this song?

OSA (OCHRANNY SVAZ AUTORSKY)OriginalPublisher
MUSERK OSAOriginalPublisher

Identifier Graph

ISRCCZA100308004ISWCT1066539782IPITOMAS POLAKIPIRADEK SEKYRAIPIONDREJ POLAKIPIPREMYSL PTACEK

MLC Song Code

K1894T
Verify on MLC Portal →
SourcesMLC

Verified on

  • MusicBrainz recording record
  • MLC song record

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Songwriter profiles

TOMAS POLAKIPIRADEK SEKYRAIPIONDREJ POLAKIPIPREMYSL PTACEKIPIKAMIL NAVRATILIPI