International Standard Musical Work Code

Overview

ISWC as defined in ISO 15707 is an identifier for a musical work

• a composition
• or a text for music

You can find codes via http://iswcnet.cisac.org/

Tango.info

The tango.info http interface allows linking via ISWC:

• https://tango.info/T0370000024
• https://tango.info/T-037000002-4
• https://tango.info/T-037.000.002-4

The resulting page currently only lists hits from the works table.

It is not decided whether each ISWC can only correspond to one work and whether one work can only have one ISWC.

Examples

• Cascabelito - Bohr/Caruso ISWC: T-037.008.639-7
• Comme il faut - Arolas/Clausi ISWC: T-037.000.659-9
• Cuartito azul - Mores/Zoppi ISWC: T-037.000.749-0
• Derecho viejo - Arolas/Clausi ISWC: T-037.000.003-5
• La viruta - Greco/Temes ISWC: T-037.003.003-7

Formats

ISO press release

• http://www.iso.org/iso/pressrelease.htm?refid=Ref821

"An ISWC number is made up of the letter "T" followed by 9 digits plus a "check digit", and gives access to key information such as the title, author(s) and composer(s) of the musical work. "

ISMN newsletter

• http://www.ismn-international.org/publications/newsletter10/othersys.html

"An ISWC consists of a prefix element (1 character), a work identifier (9 digits) and a (1 ) check digit. When an ISWC is written or printed the letters ISWC precede it. For ease of reading only, hyphens and dots may be used as separators."

Google search

• https://www.google.com/search?q=T0370006817
  • one hit at ASCAP
• https://www.google.com/search?q=T-037000681-7
  • also finds the ASCAP string T0370006817
• https://www.google.com/search?q=T-037.000.681-7
  • only finds tango.info

CISAC or CISAC members

• CISAC http://iswcnet.cisac.org
  • search accepts only "T-037.000.681-7" and "T0370006817". The form "T-037000681-7" is not accepted
  • results: ISWC: T-037.000.681-7
• AR/SADAIC
  • http://www.sadaic.org.ar/index.php?iswc=T0370000024&area=busqueda
  • display T-037000002-4 but search only T0370000024
• DE/GEMA https://online.gema.de/werke/
  • search accepts all variants
  • search says: you searched for T0370006817
  • in results it says ISWC: T-037.000.681-7
• FR/SACEM
  • T-901.130.028.0 (CISAC DB has T-901.130.028-0)

Prefixes

• ISWC prefix

Values

• Original Title
• Alternate Title (AT)
• Restricted Title (RT)

E.g.:

DANZAR..SOGNAR	
ISWC: T-201.115.333-3	Duration: 00:03:00	  (Original Title)
Work Information
Other titles
Title	Type	Language
DANZAR SOGNAR	Restricted Title (RT)	
BAILAR..SONAR	Alternate Title (AT)	
BAILAR SONAR	Restricted Title (RT)
...

See also

• IPI
• CISAC DB issues
• identifiers

Observations

• search for ALBERTO LOPEZ BUCHARDO bring entries that don't show Alberto

EL TAPIAL 	 
ISWC: T-037.013.506-0 Duration: 00:00:00  (Original Title)
Derechohabiente 	Creator-Id 	Profesión
DP 	00039657154 	C
LOPEZ BUCHARDO RAMON ALBERTO 	00018453392 	C

ENTRE DOS FUEGOS 	 
ISWC: T-037.014.005-8 Duration: 00:00:00  (Original Title)
Derechohabiente 	Creator-Id 	Profesión
FONDO NACIONAL DE LAS ARTES 	00458995092 	C

GERMAINE 	 
ISWC: T-037.007.990-5 Duration: 00:00:00  (Original Title)
Derechohabiente 	Creator-Id 	Profesión
DP 	00039657154 	C
LOPEZ BUCHARDO RAMON ALBERTO 	00018453392 	C

MALA SOMBRA 	 
ISWC: T-037.014.246-3 Duration: 00:00:00  (Original Title)
Derechohabiente 	Creator-Id 	Profesión
FONDO NACIONAL DE LAS ARTES 	00458995092 	C

• Otra vez carnaval two codes for same work

Archived ISWCs

"View More" reveals "Archived ISWCs"

T-900.772.612-7
NO QUIERO OTRO
1
FERRER HORACIO ARTURO,
PIAZZOLLA ASTOR PANTALEON
00053636873,
00024259202
Titles:
All titles
Type
NO QUIERO OTRO
OT
NO QUIERO OTRO
TO
MOU IRANAI
AT
NON VOGLIO ALTRO
AT
Creators:
Creator Name(s)
IP Name Number
Affiliation
Rolled Up Role
FERRER HORACIO ARTURO
00053636873
SADAIC
C (C,A,CA)
PIAZZOLLA ASTOR PANTALEON
00024259202
Multiple
C (C,A,CA)
Archived ISWCs
T-037.111.595-5

Not found

• T0370011601 Estampa de varon sadaic.1176
• T0370019105 Milonga triste s.1939
• T0370353926 Bodas de oro con el tango, found in ISWCnet, but not in sadaic.104076 (2012-03-01)
• T0370006919 not in SADAIC.699, but in ISWCnet
• T0370007989 not in SADAIC.806, but in ISWCnet
• T0370014699 not in SADAIC.1490, but in ISWCnet
• T0370042991 not in SADAIC.7471, but in ISWCnet
• T0370336256 not in SADAIC.100128, but in ISWCnet
• T0370426508 not in SADAIC.119044, but in ISWCnet
• T0370543148 not in SADAIC.138678, but in ISWCnet