All Jacked Up: Following a visit to WSIX/Nashville's Jack Daniels' Studio, MCA's Gary Allan (c) gets in on a radio-style No. 1 party with the Clear Channel staff last week. Pictured (l-r) are Lauren Tingle, Kristi Harrison, Jamie Ulrey, Kasey Lowrey, Shanna Smith, Natalie Vincent, Allan, the ghost of Jack Daniels, Amber Atnip, Kate Brace, Cathy Sewell, Slam Duncan, Mariellen Hale, Doreen Matthews and Matt Brum.