of them). Although they shared size and speed with singles, they were a recognizably different format than the seven-inch single. Although they could be named after a lead track, they were generally given a different title. Examples include The Beatles' "The Beatles' Hits" EP from 1963, and The Troggs' "Troggs Tops" EP from 1966, both of which collected previously released tracks. The playing time was generally between 10 and 15 minutes. They also came in cardboard picture sleeves at a time when singles were usually issued in paper company sleeves. EPs tended to be album samplers or collections of singles. EPs of all original material began to appear in the 1950s. Examples are Elvis Presley's "Love Me Tender" from 1956 and "Just for You", "Peace in the Valley" and "Jailhouse Rock" from 1957, and The Kinks' "Kinksize Session" from 1964.