The two motives use notes of relatively long duration and are rhythmically distinct: the butterfly is in minims, the nightfall in crotchets.
The best time for the sound was at dawn or approaching nightfall when the harsh desert temperatures of the day abated and soft breezes cooled the earth.
Street lighting, for instance, stretched the hours of active outdoor life past nightfall.
In bar 11 the bass clarinet plays a nesting figure in which a series of butterflies, moving in quavers, outlines the nightfall in crotchets starting on the afterbeat.
Scholars fall asleep in museums, travel to obscure places, and acquire things at nightfall.
Not a shop is open and people remain behind closed doors and shuttered windows from morning to nightfall.
To be effective, gritting should be done during the night or before nightfall.
We swept them all away for inspection, but by nightfall they were all back again.
