This kind of past weekend, Game of Thrones showrunners David Benioff and D. B. Weiss revealed numerous snippets of information about the upcoming 7th season at SXSW. Along with discussing a possible spin-off and season seven episode length, the duet confirmed troubadour Ed Sheeran would have an approaching cameo. Nevertheless , the chart-dominator – who currently retains 14 of 15 top UK singles – refuses to be the only music guest to appear in season seven. Speaking to The Jasta…