Lurchi Fantastic. The only thing I knew about him was "Everybody's Talkin" by Harry Nilsson.
Lauritz Melchior You might want to look into The Many Sides of Fred Neil. As far as I can tell, it's a compilation of four different albums into two CDs. I bought it off of iTunes for .99 and absolutely love it.
The title is very apt, as well. All of his stuff on it is "folk" but he's got great breadth within that.