some sites of early music including midi's
http://www.bcpl.lib.md.us/~cbladey/guy/html/music.html
http://sca.uwaterloo.ca/~praetzel/playford.html
http://www.geocities.com/CapitolHill/5567/playford.html

a list of links to early music/folk

http://web.ukonline.co.uk/martin.nail/Folkmus.htm

I am not very good at blue clicky things but if you cut and paste to your address bar they should work
dave