Extended-play vinyl record

An extended play, often referred to as an EP, or mini-album, is a musical recording that contains more tracks than a single but is usually unqualified as an album or LP.[1][2][3] Contemporary EPs generally contain a minimum of three tracks and maximum of six tracks, and are considered "less expensive and time-consuming" for an artist to produce than an album.[3] An EP originally referred to specific types of vinyl records other than 78 rpm standard play (SP) and LP,[4] but it is now applied to mid-length CDs and downloads as well.

Ricardo Baca of The Denver Post said, "EPs—originally extended-play 'single' releases that are shorter than traditional albums—have long been popular with punk and indie bands."[5] In the United Kingdom, the Official Chart Company defines a boundary between EP and album classification at 25 minutes of maximum length and no more than four tracks (not counting alternative versions of featured songs, if present).[1][2] A modern EP is usually defined as generally between four and six tracks, with some sources setting a maximum of seven tracks or 28 minutes.[6]

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