Guitarist Tommy Allsup has died, of complications from a hernia operation, at age 85. A longtime performer and producer who worked with artists including Willie Nelson and Asleep at the Wheel, Allsup remains best-known for losing a coin toss to Ritchie Valens on Feb. 3, 1959: “the Day the Music Died.” Winning the coin toss, Valens climbed aboard a…