Everything about Musicbrainz totally explained
MusicBrainz is a project that aims to create an
open content music database. Similar to the
freedb project, it was founded in response to the restrictions placed on the
CDDB. However, MusicBrainz has expanded its goals to reach beyond a
compact disc metadata storehouse to become a kind of structured "
Wikipedia for music".
Overview
MusicBrainz captures information about artists, their recorded works, and the relationships between them. Recorded works entries capture at a minimum the album title, track titles, and the length of each track. These entries are maintained according to a common . Recorded works can additionally store information about the release date and country, the CD disc ID, an
acoustic fingerprint for each track and have an optional free-form text field or attached to them. As of
Dec 31,
2007, MusicBrainz contained information about 350,718 artists, 534,986 releases, and 6.3 million tracks.
End-users can use
software that communicates with MusicBrainz to tag their digital media files, such as
MP3,
Ogg Vorbis or
AAC.
MusicBrainz initially used
Relatable's patented
TRM (a
recursive acronym for TRM Recognizes Music) for
acoustic fingerprint matching. This feature attracted a lot of users and allowed the database to grow at a fast rate. By
2005 it became obvious Relatable's fingerprinting solution didn't scale well to the millions of tracks in the database and the search for a viable replacement began.
On
May 12 2006, Robert Kaye posted an announcement on the project's official blog about a partnership between MusicBrainz and
MusicIP. Part of the agreement allows MusicBrainz to use MusicIP's
MusicDNS service for acoustic fingerprinting (
PUIDs). After a grace period of 6 months, TRMs will be phased out and MusicBrainz will rely solely on PUIDs. MusicBrainz uses
RDF/
XML for describing music metadata, which is available for automated processing via
HTTP GET and POST methods according to
REST architectural style for distributed hypermedia systems.
MusicBrainz's core data (artists, tracks, albums, etc.) is in the
public domain, and additional content including moderation data is placed under the
Open Audio License (which is a
Creative Commons share-alike license). The server software is covered by the
GNU General Public License. However, MusicBrainz uses a binary version of the Relatable TRM server, which is
proprietary software. The MusicBrainz client
software library,
TunePimp, is licensed under the
GNU Lesser General Public License, which allows use of the code by proprietary software products.
In
December 2004, the MusicBrainz project was turned over to the
MetaBrainz Foundation, a
non-profit group, by its creator Robert Kaye.
On
20 January 2006, it was announced that the first commercial venture to use MusicBrainz data is the
Barcelona,
Spain based
Linkara in their
Linkara Música service.
On
28 June,
2007, it was announced that
BBC has licensed MusicBrainz's live data feed to augment their music web pages. The BBC online music editors will also join the MusicBrainz community to contribute their knowledge to the database.
Software
Further Information
Get more info on 'Musicbrainz'.
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