It goes far beyond 'enjoyment' - that my be why we became involved in it in the first place, but once you do, it takes on far mor needs and functions
It would be interesting to discuss why people sing what they do, but while what people here sing seems to have no distinct identity, that's out of the question
I can tell you what brought me to folk songs and why I have continued to sing and be interested in them for nearly three quarters of my life - I wonder if anybody else can ?

"Howard, how your head must ache!"
Very profound Stave - and very safe
Always easier to stand on the sidelines and let someone else do the hard work
JIm