You are watching The Piano Guys: Fight Song/Amazing Grace Behind the Scenes the movie produced in US belongs with duration 20 Min in Category . broadcast at streamingjoy.com , by N/A A behind the scenes look at the making of The Piano Guys' music video for their cover of "Fight Song" and "Amazing Grace". Filmed on location in Scotland, featuring an old castle on a loch, and a marching band of bagpipe players. The Guys though encounter a host of issues in the making of this music video, and it takes all their collective ingenuity to pull the whole thing off..