Darius Rucker took the stage at the American Idol finale on May 21, teaming with finalist Caleb Lee Hutchinson to sing his 2013 No. 1 hit, “Wagon Wheel.” Penned by Bob Dylan and Ketch Secor of Old Crow Medicine Show, “Wagon Wheel” earned Darius the 2014 Grammy for Best Country Solo Performance. “It’s so inspiring…