Kenny Chesney takes over the Billboard Hot Country Singles & Tracks chart this week with the No. 1 "Don't Happen Twice," ending Brooks & Dunn's six-week streak in the top spot. Brooks & Dunn's "Ain't Nothing 'Bout You" drops from No. 1 to No. 3, and Tim McGraw's "Grown Men Don't Cry" stays at No. 2. Debuting on the chart are Kortney Kayle's "Unbroken by You" at No. 53, Jessica Andrews' "Helplessly, Hopelessly" at No. 58, Elbert West's "Diddley" at No. 59 and Billy Ray Cyrus' "Southern Rain" at No. 60. 06/01/01