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Darkness Within (acoustic) album cover

Darkness Within (acoustic)✓2

ISRC

NLA321191509

Song: Darkness Within

Machine Head
matched
Released 2011-01-01

Last verified: October 13, 2026

The ISRC for this recording (“Darkness Within (acoustic)”) is NLA321191509. 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. Released 2011-01-01. The underlying musical work is ISWC T-911357710-9. Written by ROBERT CONRAD FLYNN.

Format

NL
Country
A32Registrant
11Year (2011)
91509Designation
Country:
ISO 3166-1 alpha-2 country code (NL).
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

ISRCDarkness Within (acoustic)
ISWCDarkness Within
IPIROBERT CONRAD FLYNN

Musical Work (ISWC)

T-911357710-9Darkness Within

People also ask

What is the ISRC for this recording of “Darkness Within (acoustic)”?+
The ISRC for this recording (“Darkness Within (acoustic)”) is NLA321191509.
What is the ISWC for “Darkness Within”?+
The ISWC for “Darkness Within” is T-911357710-9. This recording is titled “Darkness Within (acoustic)”. The ISRC NLA321191509 identifies this specific recording; the ISWC identifies the underlying musical work shared by all versions.
Who wrote “Darkness Within”?+
“Darkness Within” was written by ROBERT CONRAD FLYNN. The ISWC for this composition is T-911357710-9.
Who publishes “Darkness Within”?+
The publishers credited on “Darkness Within” include: IMPERIUM PUB WORLDWIDE, KOBALT MUSIC PUB AMERICA INC. These publishers administer the writers' shares in this recording's underlying composition. Credits.fm reports registered publisher credits, not legal copyright ownership.
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. NLA321191509 is the ISRC for this recording; T-911357710-9 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 NLA321191509?

NLA321191509 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Darkness Within (acoustic)” by Machine Head. 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 T-911357710-9, 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

Who wrote this song?

ROBERT CONRAD FLYNNComposerLyricist
IPI: 00334060795
IMPERIUM PUB WORLDWIDE OriginalPublisher0.00%
KOBALT MUSIC PUB AMERICA INC SubPublisher100.00%IPI: 00503659557

Who publishes this song?

IMPERIUM PUB WORLDWIDEOriginalPublisher
KOBALT MUSIC PUB AMERICA INCSubPublisher
IPI: 00503659557

Which contributors are credited?

0000 0000 5796 3888Robert Flynn

Identifier Graph

ISRCNLA321191509ISWCT-911357710-9IPIROBERT CONRAD F…ISNIRobert Flynn

MLC Song Code

D7361B
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record
Machine Head

The ISRC for this recording (“Darkness Within (acoustic)”) is NLA321191509. 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. Released 2011-01-01. The underlying musical work is ISWC T-911357710-9. Written by ROBERT CONRAD FLYNN.

Machine Head

Related

Other versions of this workView all on iswc.fm

Darkness Within (re‐imagined 2021)

Machine Head

DED832100445
DARKNESSCAV1H1500006
DARKNESS WITHINNLA321292515

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Songwriter profiles

ROBERT CONRAD FLYNNIPI