 What you're hearing is one of those recordings Hillary shared. Mike eventually worked on a tune book of Hillary Stoltman's songs, listening to these tapes and painstakingly transcribing them note by note, each song taking two or three hours to get down. And in Two Harbors, up on the North Shore, I went to visit a man named Paul Dahlien, who is carrying on a Swedish fiddling tradition he learned from his grandfather, who was a more recent immigrant to the United States, moving to Minneapolis in the 1920s.