Live iTunes recordings, often

• Baker's dozen for the Beatles, for short
• Image file format
• Music releases such as "See.SZA.Run" and "S"
• They're longer than singles
• Some 45-rpm records
• Mini-albums: Abbr
• 15-minute CDs
• Paul's ltrs
• Most bands' first releases

Wiktionary Word definitions in Wiktionary
n. (plural of ep English)