Wynonna Judd is hitting the tube. The singer is scheduled to appear on NBC's "The Tonight Show with Conan O'Brien," serving as tonight's musical guest. She'll perform her version of the classic "When I Fall in Love," which is the latest single from her most recent CD, "Sing: Chapter 1." The country music veteran, who this year is celebrating her 25th anniversary in the business, has also been supporting "Sing" on the road. She has dates booked through the end of the month, including a three-night stand at The Orleans Hotel and Casino in Las Vegas Friday through Sunday. Wynonna will be at The Mountain Winery in Saratoga, California on Thursday.Wy will return to the road in November with concerts in Prior Lake, Minnesota on the 3rd and Wisconsin Dells, Wisconsin on the 7th. She'll then turn her attention to the holidays. Wynonna will distribute toys to children through rural Appalachia on the "Santa Train" on November 21st, then launch her third annual "A Classic Christmas" tour in Mashantucket, Connecticut on November 29th.