Jos,

Nothing to be sad about.
One session to which I was referring is one that has been running for over twenty seven years devoted in the main to old time Appalachian string band music, a style of music at which Tom was an expert. Not surprising therefore at a lack of interest among the other participants when Tom sneaked in a Swedish tune. Have you ever tried flat footing or doing a buck and wing or playing clawhammer banjo to a Swedish tune? Two completely different styles.