The Post Cemetery on Macinac Island is a military Cemetery, known to have American Veterans, and possible British Veterans in it. As I walked in this Cemetery I tagged every noise I heard, a helicopter was heard and I said how odd to be on Mackinac Island and hear it, but there is a airport on the island so I assumed it was landing there, then I heard a boat horn and tagged that also, the wind, sounds stronger than what it was in the cameras audio. There is a flag flying at half mast and I watched it to see if the rope was making this beating noise and with the mild wind the flag flew and the rope stayed still. Also no horses and buggys came down the road while we were there. To me it sounds like military drums like you would hear in a fife & drum routine. While this happened I did not hear it, and think it may be the real thing, a possible ghostly tribute to a fallen comrade playing over and over again through time.