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  1. Home
  2. ISRCs
  3. CZA211100041

OPTIMISTICKY TOXIKOMAN

ISRC

CZA211100041
matched

Last verified: February 19, 2026

The ISRC for this recording (“OPTIMISTICKY TOXIKOMAN”) is CZA211100041. 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 T9129708958. Written by OTO KLEMPIR, ROMAN HOLY, MICHAEL VIKTORIK, and others.

Format

CZCountry
A21Registrant
11
Year (2011)
00041Designation
Country:
ISO 3166-1 alpha-2 country code (CZ).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2011):
Last two digits of the reference year (2011). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCOPTIMISTICKY TOXIKOMAN
ISWCOPTIMISTICKY TOXIKOMAN

Musical Work (ISWC)

T9129708958OPTIMISTICKY TOXIKOMAN

People also ask

What is the ISRC for this recording of “OPTIMISTICKY TOXIKOMAN”?+
The ISRC for this recording (“OPTIMISTICKY TOXIKOMAN”) is CZA211100041.
What is the ISWC for “OPTIMISTICKY TOXIKOMAN”?+
The ISWC for “OPTIMISTICKY TOXIKOMAN” is T9129708958. The ISRC CZA211100041 identifies this specific recording; the ISWC identifies the underlying musical work shared by all versions.
Who wrote “OPTIMISTICKY TOXIKOMAN”?+
“OPTIMISTICKY TOXIKOMAN” was written by OTO KLEMPIR, ROMAN HOLY, MICHAEL VIKTORIK, ROBERT M JAMES. The ISWC for this composition is T9129708958.
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. CZA211100041 is the ISRC for this recording; T9129708958 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 CZA211100041?

CZA211100041 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “OPTIMISTICKY TOXIKOMAN”. 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 T9129708958, 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

Related

Songwriter profiles

ROMAN HOLYIPIROBERT M JAMESIPI

The ISRC for this recording (“OPTIMISTICKY TOXIKOMAN”) is CZA211100041. 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 T9129708958. Written by OTO KLEMPIR, ROMAN HOLY, MICHAEL VIKTORIK, and others.

Who wrote this song?

OTO KLEMPIRComposerLyricist
ROMAN HOLYComposerLyricist
IPI: 00272264961
MICHAEL VIKTORIKComposerLyricist
ROBERT M JAMESComposerLyricist
IPI: 00034494089

Which contributors are credited?

0000 0000 8161 1954Bob James

Identifier Graph

ISRCCZA211100041ISWCT9129708958IPIROMAN HOLYIPIROBERT M JAMESISNIBob James

MLC Song Code

OC9NLH
Verify on MLC Portal →
SourcesMLC

Verified on

  • MusicBrainz recording record
  • MLC song record