A Rufous-browed Peppershrike (Cyclarhis gujanensis) sits in the canopy above my head on the trail around Cabinas el Bosque, Monteverde(Costa Rica), early morning 6/16/99, and sings this song - over and over and over...
Note the pale lemon lores and dark eye. Unfortunately this shot does not show the two white wing-bars. White-eyed V griseus is more common in this region.