Eph asked for an initial walking tune (Snoa),
	followed by assorted Bingsjö-style or other gammalpolska tunes.
	The 
2017DEFFA.pdf file here contains
	the entire collection; the rest of the
	files are single pages with 3 or 4 tunes per page.
	This is far too much music.
	We can select tunes that people can play during the class.
	A couple of good starting tunes  might be
	Polska efter Pekkos Olof Hansson (Bingsjö page 1) and
	Polska mot trötthet (page 5), 
	but we'll see who shows up and what tunes they know.