MusicBrainz Database: Difference between revisions

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==Introduction==
==Introduction==


The MusicBrainz database stores all the data of the MusicBrainz '''music metadata catalogue'''. This data includes information about [[Artist|artists]], [[Release Group|release groups]], [[Release|releases]], [[Track|tracks]], [[Label|labels]] and [[Advanced Relationships|relationships]] between them. It also contains information about the MusicBrainz users ([[Editor|editors]]) and the changes they have entered into the database ([[Edit Type|edits]]).
MusicBrainz uses a relational database to store all its music metadata. This data includes information about [[Artist|artists]], [[Release Group|release groups]], [[Release|releases]], [[Track|tracks]], [[Label|labels]] and the many [[Advanced Relationships|relationships]] between them. The database also contains a full history of all the changes that the MusicBrainz community has made to the data.


==Data Overview==
==Data Overview==
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* Annotation, a free form text field that allows editors to make notes about this release
* Annotation, a free form text field that allows editors to make notes about this release
* Disc ID (zero or more disc IDs that allow audio CD identification)
* Disc ID (zero or more disc IDs that allow audio CD identification)
* Amazon ASIN, an Amazon.com product code, suitable for linking to cover art.
* Amazon ASIN, an Amazon product code that is suitable for linking to cover art.
* Release events that each contain:
* Release events that each contain:
** Release date
** Release date
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* Annotation, a free form text field that allows editors to make notes about this
* Annotation, a free form text field that allows editors to make notes about this
* PUID, the [http://musicip.com MusicIP] acoustic fingerprint identifier for this track.
* PUID, the [http://musicip.com MusicIP] acoustic fingerprint identifier for this track.
* ISRC (implemented in May 2009)
* ISRC


;[[Label]] data includes:
;[[Label]] data includes:
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* Common aliases and misspellings
* Common aliases and misspellings
* Type (original production, bootleg production, reissue production, distributor, holding)
* Type (original production, bootleg production, reissue production, distributor, holding)
* Code, the IFPI [[Label Code]]
* Code, the IFPI [[Label Code|label code]]
* Begin date (formation date)
* Begin date (formation date)
* End date (dissolution date)
* End date (dissolution date)
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* Country ([http://www.iso.org/iso/country_codes/iso_3166_code_lists/english_country_names_and_code_elements.htm ISO 3166 Codes])
* Country ([http://www.iso.org/iso/country_codes/iso_3166_code_lists/english_country_names_and_code_elements.htm ISO 3166 Codes])


Each of these [[Artist]], [[Release]], [[Track]] and [[Label]] entities can be linked with [[Advanced Relationships]] that provide a rich tapestry of data relationships. Advanced relationships provide information about web resources (e.g. Wikipedia pages, download locations, etc) for entities and they can indicate instrument/vocal performances on a piece of music. These relationships allow MusicBrainz to capture most of the data contained in the liner and liner notes for an Audio CD. For more details on these relationships, please read our [[Advanced Relationships]] page.
The various [[Artist|artists]], [[Release|releases]], and [[Track|tracks]] can be linked together with [[Advanced Relationships|relationships]] that enrich the depth of collectible data. For example, relationships can provide information about web resources (e.g. Wikipedia pages, download locations, review pages, etc), or they can indicate instrument/vocal performances on a piece of music. These relationships allow MusicBrainz to capture most of the data contained in the liner notes of an Audio CD.


==Download==
==Download==


The MusicBrainz database is built on the PostgreSQL relational database engine. Therefore the data files are provided in the PostgreSQL "COPY TO" format, only really suitable for restoring to a PostgreSQL database. See the [[Database Schema]] documentation for a description of the schema, and what each of the tables are used for.
The MusicBrainz database is built on the PostgreSQL relational database engine. Therefore the data files are provided in the PostgreSQL "COPY TO" format, only really suitable for restoring to a PostgreSQL database. See the [[Database Schema|database schema]] documentation for a description of the schema, and what each of the tables are used for.
: [[Image:download.gif]] see the [[Database Download]] page for instructions on how to download the dumps.
: [[Image:download.gif]] [[Database Download|Download and/or install the database]].

==Installation==

There are a few contributed guidelines how to setup the database on different systems. See [[Database Setup]] for the list of available documents. The easiest way to get a running database is to install a [[Virtual MusicBrainz Server]].


==License==
==License==
:'' See [[MusicBrainz License|the license page]] for full details.


The data collected by the MusicBrainz project is made available to the public under open licenses. Some of the data is available under the '''Public Domain''', and some under the '''Creative Commons Attribution-NonCommercial-ShareAlike''' license (See [[MusicBrainz License]] for more details).
The majority of the data is released into the public domain, with the remaining portions released with a Creative Commons Attribution-NonCommercial-ShareAlike license


==Live data-feed (or Replication)==
==Live data-feed (or Replication)==


The live data-feed enables a server running a PostgreSQL database in conjunction with the MusicBrainz [[Server]] to automatically stay in synch with the main server (See [[Live Data Feed]] for more details).
The live data-feed enables a server running a PostgreSQL database in conjunction with the MusicBrainz [[Server]] to automatically stay in sync with the main server (See [[Live Data Feed|live data-feed]] for more details).


[[Category:WikiDocs Page]] [[Category:Products]] [[Category:Development]]
[[Category:WikiDocs Page]] [[Category:Products]] [[Category:Development]]

Revision as of 01:00, 6 January 2010

Products > Database

Introduction

MusicBrainz uses a relational database to store all its music metadata. This data includes information about artists, release groups, releases, tracks, labels and the many relationships between them. The database also contains a full history of all the changes that the MusicBrainz community has made to the data.

Data Overview

Artist data includes
  • A MusicBrainz ID (MBID)
  • Name
  • Sortname for displaying the artist name in a sorted list
  • Common aliases and misspellings
  • Type (person/group)
  • Begin date, a birth date or formation date, depending on type
  • End date, a death date or dissolution date, depending on type
  • Comment, a short disambiguation field that distinguishes artists with same or similar names
  • Annotation, a free form text field that allows editors to make notes about the artist
Release Group data includes
  • A MusicBrainz ID (MBID)
  • Title
  • Artist
  • Type (album, single, EP, compilation, soundtrack, spokenword, interview, audiobook, live, remix, other)
Release data includes
  • A MusicBrainz ID (MBID)
  • Title
  • Artist
  • Type (album, single, EP, compilation, soundtrack, spokenword, interview, audiobook, live, remix, other)
  • Status (official, promotion, bootleg, pseudo-release)
  • Language (see ISO 639)
  • Annotation, a free form text field that allows editors to make notes about this release
  • Disc ID (zero or more disc IDs that allow audio CD identification)
  • Amazon ASIN, an Amazon product code that is suitable for linking to cover art.
  • Release events that each contain:
    • Release date
    • Release country
    • Label
    • Catalog number
    • Barcode (EAN/UPC)
    • Format (CD, cassette, vinyl, wax cylinder, etc.)
Track data includes
  • A MusicBrainz ID (MBID)
  • Title
  • Artist
  • Duration (in milliseconds)
  • Annotation, a free form text field that allows editors to make notes about this
  • PUID, the MusicIP acoustic fingerprint identifier for this track.
  • ISRC
Label data includes
  • A MusicBrainz ID (MBID)
  • Name
  • Sortname for displaying the label name is a sorted list
  • Common aliases and misspellings
  • Type (original production, bootleg production, reissue production, distributor, holding)
  • Code, the IFPI label code
  • Begin date (formation date)
  • End date (dissolution date)
  • Comment, a short disambiguation field that distinguishes labels with same or similar names
  • Annotation, a free form text field that allows editors to make notes about the label
  • Country (ISO 3166 Codes)

The various artists, releases, and tracks can be linked together with relationships that enrich the depth of collectible data. For example, relationships can provide information about web resources (e.g. Wikipedia pages, download locations, review pages, etc), or they can indicate instrument/vocal performances on a piece of music. These relationships allow MusicBrainz to capture most of the data contained in the liner notes of an Audio CD.

Download

The MusicBrainz database is built on the PostgreSQL relational database engine. Therefore the data files are provided in the PostgreSQL "COPY TO" format, only really suitable for restoring to a PostgreSQL database. See the database schema documentation for a description of the schema, and what each of the tables are used for.

download.gif Download and/or install the database.

License

See the license page for full details.

The majority of the data is released into the public domain, with the remaining portions released with a Creative Commons Attribution-NonCommercial-ShareAlike license

Live data-feed (or Replication)

The live data-feed enables a server running a PostgreSQL database in conjunction with the MusicBrainz Server to automatically stay in sync with the main server (See live data-feed for more details).

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