In honor of The Legend of Zelda 25th Anniversary we all know Nintendo is having a fully orchestrated world tour of the classic and new Zelda songs. We have been updating you on the tour and even included videos of the first concert that started off in L.A.. The second stop on the tour was in London which had a special unexpected guest, Zelda Williams. Zelda Williams along with her father, Robin Williams are both well known to be fans…