We're back in Music City for this weekend's edition of CMT Hot 20 Countdown. Tune in as Tyler Farr pays a visit to perform his popular tune "Redneck Crazy" as a part of our Taco Bell concert series. Also on the show, we'll tell you five fun facts about Keith Urban, including one of his pet peeves. Then, learn Brett Eldredge's unique connection to Dolly Parton. And be sure to find out who wins this week's Hot or Not vote -- Taylor Swift or Miranda Lambert.