Brett Eldredge kicked off his 10-date holiday tour—dubbed The Glow Live Tour after his 2016 holiday album—with back-to-back shows at Nashville’s Ryman Auditorium on Dec. 4 and 5. Brett treated fans to a number of yuletide tunes from the album, including “White Christmas,” “Silent Night,” “Have Yourself a Merry Little Christmas,” “Glow” and more. “Since…