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In its most general form, a playlist is simply a list of songs.[1] They can be played in sequential or shuffled order.[2] The term has several specialized meanings in the realms of radio broadcasting and personal computers.

In radio[edit]

The term originally came about in the early days of top 40 radio formats[citation needed] when stations would devise (and, eventually, publish) a limited list of songs to be played. The term would go on to refer to the entire catalog of songs that a given radio station (of any format) would draw from. Additionally, the term was used to refer to an ordered list of songs played during a given time period.[3] Playlists are often adjusted based on time of day, known as dayparting.

On computers and the Internet[edit]

As music storage and playback using personal computers became common, the term playlist was adopted by various media player software programs intended to organize and control music on a PC. Such playlists may be defined, stored, and selected to run either in sequence or, if a random playlist function is selected, in a random order. Playlists' uses include allowing a particular desired musical atmosphere to be created and maintained without constant user interaction, or to allow a variety of different styles of music be played, again without maintenance.

Some websites, such as Project Playlist, 8tracks, Plurn, imeem, and Webjay, allow users to categorize, edit, and listen to playlists online. Other sites, such as Musicmobs, focus on playlist creation aided by personalized song recommendations, ratings, and reviews. Another site, PlaylistHQ, creates playlists based on upcoming concerts. On certain sites, users create and share annotated playlists, giving visitors the option to read contextual information or reviewer comments about each song while listening. Some sites only allow the sharing of the playlist data with the actual music being delivered by other channels e.g. plurn, others provide a closed catalog of content from which the playlists can be generated while sites like imeem allow users to upload the music to central servers to be shared and accessed by any user of the site.

iPods can also be used to build playlists. The iPod software, "iWorkOut Muse", uses playlists to help people work out to music.[4]

Celebrity playlists[edit]

A celebrity playlist is a list of songs prepared by a celebrity and represented in popular publications and on the radio as such, is referred to as a "celebrity playlist".[5][6]

Web video[edit]

On video hosting service websites such as YouTube and Vimeo, users can make playlists of select videos from themselves or other users for topical purposes;[7] paid accounts can upgrade playlists of their own videos to "shows".

Playlist generation[edit]

The idea of generating automatically music playlists from annotated databases was pioneered by Pachet and Roy.[8] Constraint satisfaction techniques were developed to create playlists that satisfy arbitrary "sequence constraints", such as continuity, diversity, similarity, etc. Since, many other techniques were proposed, such as case-based reasoning.[9]

Other playlist methods[edit]

Types of playlist files[edit]

The playlist types are:

See also[edit]


  1. ^ "Frequently Asked Questions". Minnesota Public Radio. Retrieved 11 April 2011. 
  2. ^ Knaster, Scott (February 15, 2005). "iPod shuffle Tips and Tricks". Mac OS X Excerpts. O'Reilly Media. Retrieved 11 April 2011. 
  3. ^ Paolo Avesani, Paolo Massa, Michele Nori, & Angelo Susi. "Collaborative Radio Community". Italy: ITC irst. 
  4. ^ Poff, Ann Chihak (April 11, 2011). "iWorkout Muse Pro and iWorkout Muse for IPhone". MacWorld. Retrieved 11 April 2011. 
  5. ^ Nagy, Evie (July 19, 2009). "Equinox fitness chain pumps up celebrity playlists". Reuters. Retrieved 11 April 2011. 
  6. ^ Jamieson, Ruth (9 April 2009). "The best celebrity Spotify playlists". London: The Guardian. Retrieved 11 April 2011. 
  7. ^ "How to create a compelling YouTube channel without your own original content". TNW. April 8, 2011. Retrieved 11 April 2011. 
  8. ^ Pachet, F. and Roy, P., Automatic Generation of Music Programs. Proceedings of Constraint Programming Conference, CP 99, LNCS 1713/2004, pages 331-345, Washington, VA, 1999. Springer Verlag.
  9. ^ Baccigalupo, Claudio; Plaza, Enric (2006). "Case-Based Sequential Ordering of Songs for Playlist Recommendation". Advances in Case-Based Reasoning. LNCS 4106. pp. 286–300. doi:10.1007/11805816_22. ISBN 978-3-540-36843-4. CiteSeerX:  edit
  10. ^ a b "Information about the Multimedia file types that Windows Media Player supports". Microsoft Knowledge Base. Microsoft. November 17, 2010. Retrieved 11 April 2011. 
  11. ^
  12. ^ ".SMIL File Extension". Retrieved 11 April 2011. 
  13. ^ ".vlc File Extension". Retrieved 16 May 2014. 
  14. ^ "The XSPF Playlist Format, version 0". The Xiph Open-source Community. Retrieved 11 April 2011. 

External links[edit]