idyll , (sometimes U.S.) idyl n
1 a poem or prose work describing an idealized rural life, pastoral scenes, etc.
2 any simple narrative or descriptive piece in poetry or prose
3 a charming or picturesque scene or event
4 a piece of music with a calm or pastoral character
(C17: from Latin Tdyllium, from Greek eidullion, from eidos shape, (literary) form)