""MTV Unplugged"" presents a one-hour episode with beloved American rocker John Mellencamp. The program, which was taped in Los Angeles in April of 1992, features a medley of Mellencamp hits, past and present, including ""Love And Happiness,"" ""Paper In Fire,"" ""Check It Out,"" ""Rain On The Scarecrow,"" ""Jackie Brown,"" ""Small Town,"" ""Minutes To Memories,"" ""Big Daddy,"" and ""Pink Houses,"" as well as the Bob Dylan song ""All Along The Watch Tower."" Mellencamp, who was just wrapping up a worldwide concert tour at the time of the taping, was accompanied by touring band members Mike Wanchic (guitar), Kenny Aronoff (drums), Toby Myers (bass), David Grissom (guitar), John Cascella (accordion), Lisa Germano (fiddle) and Pat Peterson and Jenny Douglas-McRae (background vocals). An excerpt from the MTV Unplugged book...""The night before the Mellencamp Unplugged, John decided to carve 'F..K fascism' into his guitar. Because we've stated over and over that the purpose of the show is