Johnny Blue Skies, Sturgill Simpson, and Dark Clouds is a live concert at Xfinity Mobile Arena in Philadelphia that pairs Grammy-winning singer-songwriter Sturgill Simpson with supporting act Dark Clouds and a performance billed as Johnny Blue Skies. The show highlights alt-country and Americana roots, blending country, rock, psychedelia and jazz-tinged arrangements in a large multi-purpose arena known for hosting major sports and entertainment events.