 During 2013 and 2014, Wolfe released two split 7" singles with King Dude, "Sing Songs Together..." and "Sing More Songs Together...", and a live EP, "Chelsea Wolfe Folkadelphia Session May 31, 2014".Wolfe also contributed guest vocals to the American post-metal band Russian Circles' fifth studio album, "Memorial", released in October 2013.Wolfe and Russian Circles toured Europe together in late 2013.