The group released their sixth studio album, "Volunteer", through Columbia Nashville on April 20, 2018 — coinciding with their 20th anniversary as a group. They released "50 Years of Blonde on Blonde" on April 28, 2017 (their first album on Columbia Nashville). Previous studio albums were "Eutaw" (2002) "O.C.M.S." (2004), "Big Iron World" (2006), "Tennessee Pusher" (2008), "Carry Me Back" (2012), and "Remedy" (2014) and Volunteer (2017). Their song "Wagon Wheel", a more or less traditional song written by frontman Ketch Secor through a co-authoring arrangement with Bob Dylan, was certified platinum by the Recording Industry Association of America in April 2013 and has been covered by a number of acts, including Darius Rucker, who made the song a top 40 hit.