Having proved itself to be one of the country’s best outdoor urban festival sites at Radio 1’s Big Weekend, Derry’s Ebrington Square will host a free concert as part of the Music City celebrations on Friday June 21. Taking place between 4pm and 11pm, Sounds from this City vs. Sounds from Cities on the Edge Festival will stage to two arenas. Whereas The Sound from this City arena will host some of the most promising emerging and established bands and musicians from the city including Little Bear, Ryan Vail (pictured), Best Boy Grip, Wyldling, The Clameens, Wonder Villains, The Wood Burning…