This song is called Engine 17:
https://sonofdonegal.bandcamp.com/track/engine-17?search_item_id=2638257289&search_item_type=t&search_match_part=%3F&search_page_id=2889877320&search_page_no=0&search_rank=4&logged_out_mobile_menubar=true
“the folks currently in charge, however”
Oh? What about them?
“Deep in the earth, they thought their secret would never be found—but they’re running now!”
https://sonofdonegal.bandcamp.com/track/engine-17