I've always loved European-style folk-rock, also known as electric folk: the application of electric instruments and rock techniques to traditional songs. It's a style you can find here in North America, as well as in Britain and Europe.
The marvelous thing about Dylan's "Pretty Saro" is his voice. Who ever said Dylan couldn't sing? "Pretty Saro" solidly puts paid to the ancient, variably attributed one-liner about Dylan's singing voice sounding like a dog with its leg caught in a barbed-wire fence.
Things happen. And there are always consequences. The eternal need for that simple reminder keeps the old songs alive in memory and the singing, and inspire new work like the affecting modern ballads found on Gellert's Old Light.
One day, God, dressed as a poor man seeking alms, knocks on the door. Teresa, not the most pleasant of servants at any time under any circumstance, is having a bad hair day and refuses His entreaty. We've all had experiences like that.