Riddle#21 Darkness

Still the darkness sings its song:
Slow, gentle, silhouettes
Etch to dusk, coil o’er eyelids
Shadowed feasts; weathered fetes.

This poem is a response to a prompt from David Harrison:
http://davidlharrison.wordpress.com/2013/04/17/new-challenge-from-j-patrick-lewis/#comment-16430