" either a looseleaf file with scrappy bits of paper in it in illegible handwriting, or a dog-eared copy of a song book that no one else has."

..yep, that's me!
...as for RUS, we have debated that little item endlessly..some like it, some hate it. Me? I think it is to Folk Music as McDonalds is to 'fine dining'..usable in an emergency when nothing else is available, but not something you want to depend on forever.