esoteric mountain

Esoteric mountain  The track leading up to the mountain  that had no spire but was as flat as a prairie  in Idaho, dark soil and spuds My faithful dog refused to follow  preferred to hang around at slopes she looked worried  On reaching the topless mountain the sun was hot and had a dizzy spell before passing out, I saw a mule Someone carried me the stream's nascent, pure water for me to drink I found a lump of sugar in my pocket I looked around and saw no humans  but heard the murmur of a whisper from hearty, green grass gossiping When rested, walked down and  found a bar with a neon sign in red  mystified, I thought of ill omen In the salon, I told the barman what had occurred, he visibly paled and said leave the unseen ghosts alone They are a choir that disappeared on on a field trip a hundred years ago  at night, they sweetly sing for us Coming out of the den, the dog waited and led the way to the main road, but what was the mule trying to tell me