Country star Mark Chesnutt's longtime bandmate dies unexpectedly on tour bus

Mark Chestnutt is mourning the loss of his "buddy" and bass player, who died unexpectedly on the country star's tour bus over the weekend. On Monday, the "Brother Jukebox" singer, 62, took to social media to share the heartbreaking news . "I lost my buddy Dave Sirmon Saturday night while on the road. Dave played bass guitar in my band. He was a great musician and friend," Chestnbutt, who is currently on tour, wrote in an Instagram post . "He was such a hard worker and very hands-on with everythi