Hi! Thanks for your comment! EP stands for "extended play," and refers to a short album. It can have as few as three tracks, just like the EP I'm talking about here in the video. Usually, if an album has 7 or more tracks, it's not an EP anymore and is instead called LP (longplay). This is the usual case, but still, it's not a hard rule. Thanks for watching, and please let me know if you have any other questions!