Extended play

An extended play (EP) is a musical recording that contains more tracks than a single but fewer than an album. Contemporary EPs generally contain up to eight tracks and have a playing time of 15 to 30 minutes.
"[https://www.musicgateway.com/blog/music-distribution/play-music-make-killer-ep-4-steps What Is an EP? What Does EP Stand For & EP Meaning]". Music Gateway}} An EP is usually less cohesive than an album and more "non-committal".

An extended play (EP) originally referred to a specific type of 45 rpm phonograph record other than 78 rpm standard play (SP) and 33 rpm long play (LP), but , also applies to mid-length CDs and downloads. EPs are considered "less expensive and less time-consuming" for an artist to produce than an album, and have long been popular with punk and indie bands. In K-pop and J-pop, they are usually referred to as mini-albums. Provided by Wikipedia