To fret or not to fret... Well, I've heard very learned musicologists say no medieval fiddle was ever fretted, but the iconography would suggest some were & others were not. Jordi Savall is never without frets - even on his medieval fiddles, though I believe Sothcott went fretless...

The fretted fiddle tradition continues with THIS, which might help with my nascent violin endeavours, and THIS - which as a (fretted) crwth player I can but dream of...