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  • MusicBrainz
  •  MusicBrainz


    MusicBrainz is a project which aims to create a collaborative music database that is similar to the freedb project. MusicBrainz was founded in response to the restrictions placed on the

    Compact Disc Database (CDDB), a database for software applications to look up audio CD information on the Internet. MusicBrainz has expanded its goals to reach beyond a CD metadata (this is information about the performers, artists, songwriters, etc.) storehouse to become a structured online database for music. [5][6]

    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 by volunteer editors who follow community written

    style guidelines . Recorded works can also store information about the release date and country, the CD ID,

    cover art , acoustic fingerprint , free-form annotation text and other metadata. As of September 2020, MusicBrainz contained information on roughly 1.7 million artists, 2.6 million releases, and 23 million recordings. [3] End-users can use software that communicates with MusicBrainz to add

    metadata tags to their digital media files, such as ALAC , FLAC , MP3 , Ogg Vorbis or AAC.

    Cover Art Archive

    MusicBrainz allows contributors to upload cover art images of releases to the database; these images are hosted by Cover Art Archive (CAA), a joint project between Internet Archive and MusicBrainz started in 2012. Internet Archive provides the bandwidth, storage and legal protection for hosting the images, while MusicBrainz stores metadata and provides public access through the web and via an API for third parties to use. As with other contributions, the MusicBrainz community is in charge of maintaining and reviewing the data.[7] Cover art is also provided for items on sale at

    Amazon.com and some other online resources, but CAA is now preferred because it gives the community more control and flexibility for managing the images.

    Fingerprinting

    Besides collecting metadata about music, MusicBrainz also allows looking up recordings by their acoustic fingerprint . A separate application, such as MusicBrainz Picard , must be used for this.

    Proprietary services

    In 2000, MusicBrainz started using

    Relatable 's patented TRM (a recursive acronym for TRM Recognizes Music) for acoustic fingerprint matching. This feature attracted many users and allowed the database to grow quickly. However, by 2005 TRM was showing scalability issues as the number of tracks in the database had reached into the millions. This issue was resolved in May 2006 when MusicBrainz partnered with MusicIP (now AmpliFIND), replacing TRM with MusicDNS. [8] TRMs were phased out and replaced by MusicDNS in November 2008.

    In October 2009 MusicIP was acquired by AmpliFIND.[9] Some time after the acquisition, the MusicDNS service began having intermittent problems.

    AcoustID and Chromaprint

    Since the future of the free identification service was uncertain, a replacement for it was sought. The Chromaprint acoustic fingerprinting algorithm, the basis for AcoustID identification service, was started in February 2010 by a long-time MusicBrainz contributor Lukáš Lalinský. [10] While AcoustID and Chromaprint are not officially MusicBrainz projects, they are closely tied with each other and both are open source. Chromaprint works by analyzing the first two minutes of a track, detecting the strength in each of 12

    pitch classes , storing these 8 times per second. Additional post-processing is then applied to compress this fingerprint while retaining patterns. [11] The AcoustID search server then searches from the database of fingerprints by similarity and returns the AcoustID identifier along with MusicBrainz recording identifiers if known.

    Licensing

    Since 2003, [12] MusicBrainz's core data (artists, recordings, releases, and so on) are in the public domain, and additional content, including moderation data (essentially every

    original content contributed by users and its elaborations), is placed under the Creative Commons CC-BY-NC-SA -2.0 license. [13] The relational database management system is

    PostgreSQL . The server software is covered by the GNU General Public License. The MusicBrainz client

    software library , libmusicbrainz , 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. [14] On 20 January 2006, the first commercial venture to use MusicBrainz data was the Barcelona , Spain-based

    Linkara in their Linkara Música service. [15]

    On 28 June 2007, BBC announced that it had licensed MusicBrainz's live data feed to augment their music web pages. The BBC online music editors would also join the MusicBrainz community to contribute their knowledge to the database.[16]

    On 28 July 2008, the beta of the new BBC Music site was launched, which publishes a page for each MusicBrainz artist. [17][18]

    Client software

    Amarok – KDE audio player

    Banshee – multi-platform audio player

    Beets – automatic CLI music tagger/organiser for Unix-like systems

    Clementine – multi-platform audio player

    CDex – Microsoft Windows CD ripper

    Demlo – a dynamic and extensible music manager using a CLI

    iEatBrainz – Mac OS X , deprecated

    foo_musicbrainz component for

    foobar2000 – music library/pudio Player

    Jaikoz – Java mass tag editor

    Max – Mac OS X CD ripper and audio transcoder

    Mp3tag – Windows metadata editor and music organizer

    MusicBrainz Picard – cross-platform album-oriented tag editor

    MusicBrainz Tagger – deprecated Microsoft Windows tag editor

    puddletag – a tag editor for PyQt under the GPLv3

    Rhythmbox music player – an audio player for Unix-like systems

    Sound Juicer – GNOME CD ripper

    Zortam Mp3 Media Studio –

    Windows music organizer and ID3 tag editor

    Freedb clients could also access MusicBrainz data through the freedb protocol by using the MusicBrainz to FreeDB gateway service, mb2freedb. The gateway was shutdown on March 18, 2019. [19]

    See also

    List of online music databases

    References

    1. ^ "About" . MusicBrainz . MetaBrainz. Archived from the original on 2015-05-08. Retrieved

    4 May 2015.

    2. ^ "musicbrainz.org Competitive Analysis, Marketing Mix and Traffic - Alexa" . musicbrainz.org . Retrieved 2020-05-27.

    3. ^ a b "Database Statistics" . MusicBrainz. Archived from the original on 2011-07-22. Retrieved

    2018-09-20.

    4. ^ "WHOIS Lookup" . ICANN.

    Archived from the original on 2015-04-02. Retrieved 23 March 2015.

    5. ^ Highfield, Ashley. "Keynote speech given at IEA Future Of Broadcasting Conference

    Archived 2008-04-22 at the

    Wayback Machine ", BBC Press Office, 2007-06-27. Retrieved on 2008-02-11.

    6. ^ Swartz, A. (2002). "MusicBrainz: A semantic Web service" (PDF).

    IEEE Intelligent Systems . 17 : 76–77. doi :10.1109/5254.988466 .

    Archived (PDF) from the original on 2015-04-03. Retrieved

    2015-08-28.

    7. ^ Fabian Scherschel (10 October 2012). "MusicBrainz and Internet Archive create cover art database" . The H. Archived from

    the original on 7 December 2013.

    8. ^ "New fingerprinting technology available now!" (Press release). MusicBrainz community blog. 2006-03-12. Archived from the original on 2008-08-07. Retrieved

    2006-08-03.

    9. ^ AmpliFIND Music Services: News Archived 2013-09-21 at the Wayback Machine

    10. ^ "Introducing Chromaprint – Lukáš Lalinský" . Oxygene.sk. 2010-07-24. Archived from the original on 2018-10-10. Retrieved

    2018-04-10.

    11. ^ Jang, Dalwon; Yoo, Chang D; Lee, Sunil; Kim, Sungwoong; Kalker, Ton (2011-01-18). "How does Chromaprint work? – Lukáš Lalinský" . IEEE Transactions on Information Forensics and Security . 4 (4): 995–1004.

    doi :10.1109/TIFS.2009.2034452 .

    S2CID 1502596 . Retrieved

    2018-04-10.

    12. ^ "MusicBrainz Licenses" . Archived from the original on April 13, 2003. Retrieved 2015-10-23.

    13. ^ MusicBrainz License as of 13-11-2010.

    14. ^ Kaye, Robert (2006-03-12). "The MetaBrainz Foundation launches!" (Press release). MusicBrainz community blog.

    Archived from the original on 2011-05-19. Retrieved

    2006-08-03.

    15. ^ Kaye, Robert (2006-01-20).

    "Introducing: Linkara Musica" . MusicBrainz. Archived from the original on 2008-09-07. Retrieved

    2006-08-12.

    16. ^ Kaye, Robert (2007-06-28). "The BBC partners with MusicBrainz for Music Metadata" . MusicBrainz.

    Archived from the original on 2007-06-30. Retrieved

    2007-07-10.

    17. ^ Shorter, Matthew (2008-07-28).

    "BBC Music Artist Pages Beta" . BBC. Archived from the original on 2009-01-24. Retrieved

    2009-02-12.

    18. ^ MusicBrainz and the BBC

    Archived 2018-02-20 at the

    Wayback Machine as of 2013-03-16

    19. ^ "Freedb gateway: End of life notice, March 18, 2019" .

    MetaBrainz Blog . 2018-09-18. Retrieved 2020-02-12.

    Further reading

    Making Metadata: The Case of MusicBrainz . Jess Hemerly. Master's project at UC Berkeley. 2 011.

    External links

    Wikimedia Commons has media related to MusicBrainz .

    MusicBrainz – official site

    Cover Art Archive – official site

    MusicBrainz info at the BBC Music site

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