This is a powerful example of Protestant music making, although the guitar arrangement may be a bit modernized by Joel Cohen's superb early musicians performing American Christmas music. The PDF has the lyrics and notes.
The basic idea is that "she" (the soul of Man, seen as a vain woman) tries to avoid "Him" (Jesus, seen as an insistent lover) but in the end realizes her place in the universe and marries with God. At the end, there is a wedding feast.