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  1. Home
  2. ISRCs
  3. USUM71813956
Cygnus X‐1, Book II: Hemispheres – The Sphere: A Kind of Dream album cover

ISRC

USUM71813956

Cygnus X‐1, Book II: Hemispheres – The Sphere: A Kind of Dream✓2

Song: The Sphere: A Kind of Dream

Rush
matched
Released 1979-01-01

Last verified: August 27, 2026

USUM71813956 is the International Standard Recording Code (ISRC) for the recording “Cygnus X‐1, Book II: Hemispheres – The Sphere: A Kind of Dream” by Rush, released 1979-01-01. 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 T0715318549.

Format

USCountry
UM7Registrant
18Year (2018)
13956Designation
Country:
ISO 3166-1 alpha-2 country code (US).
Registrant:
3-character code identifying the label or distributor that assigned this ISRC.
Year (2018):
Last two digits of the reference year (2018). Years < 50 are 21st century.
Designation:
Unique 5-digit code assigned by the registrant for this specific recording.

Credit Chain

ISRCCygnus X‐1, Book II: Hemispheres – The Sphere: A Kind of Dream
ISWCThe Sphere: A Kind of Dream

Musical Work (ISWC)

T0715318549The Sphere: A Kind of Dream

Credits Graph

MLC Song Code

HA68Z1
Verify on MLC Portal →
SourcesMusicBrainzMLC✓2 sources

Verified on

  • MusicBrainz recording record
  • MLC song record

People also ask

What is the ISRC for "Cygnus X‐1, Book II: Hemispheres – The Sphere: A Kind of Dream" by Rush?+
The ISRC for "Cygnus X‐1, Book II: Hemispheres – The Sphere: A Kind of Dream" by Rush is USUM71813956.
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. USUM71813956 is the ISRC for this recording; T0715318549 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 USUM71813956?

USUM71813956 is an International Standard Recording Code (ISRC) that uniquely identifies the recording “Cygnus X‐1, Book II: Hemispheres – The Sphere: A Kind of Dream” by Rush. 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 T0715318549, 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

Rush

USUM71813956 is the International Standard Recording Code (ISRC) for the recording “Cygnus X‐1, Book II: Hemispheres – The Sphere: A Kind of Dream” by Rush, released 1979-01-01. 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 T0715318549.

Rush

Related

Other versions of this workView all on iswc.fm

HEMISPHERES (PRELUDE)QZHZ62201301
CYGNUS X-1 BOOK II: HEMISPHERESQZNJW2456937
HEMISPHERES: PRELUDECAA311502079
HEMISPHERESUKDNQ1596862
HEMISPHERES: PRELUDEUSFQK1606021

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