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  1. Home
  2. ISRCs
  3. PLA550300159
Knock, Knock album cover

ISRC

PLA550300159

Knock, Knock✓2

Song: KNOCK, KNOCK

Anita LipnickaJohn Porter
matched
Released 2003-01-01

Last verified: August 28, 2026

PLA550300159 is the International Standard Recording Code (ISRC) for the recording “Knock, Knock” by Anita Lipnicka, John Porter, released 2003-01-01. 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 T9059268314.

Format

PLCountry
A55Registrant
03Year (2003)
00159Designation
Country:
ISO 3166-1 alpha-2 country code (PL).
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

ISRCKnock, Knock
ISWCKNOCK, KNOCK

Musical Work (ISWC)

T9059268314KNOCK, KNOCK

Credits Graph

MLC Song Code

KA03UR
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

People also ask

What is the ISRC for "Knock, Knock" by Anita Lipnicka?+
The ISRC for "Knock, Knock" by Anita Lipnicka, John Porter is PLA550300159.
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. PLA550300159 is the ISRC for this recording; T9059268314 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 PLA550300159?

PLA550300159 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Knock, Knock” by Anita Lipnicka, John Porter. 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 T9059268314, 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

Anita LipnickaJohn Porter

PLA550300159 is the International Standard Recording Code (ISRC) for the recording “Knock, Knock” by Anita Lipnicka, John Porter, released 2003-01-01. 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 T9059268314.

Anita Lipnicka, John Porter

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