The bombing of Nagasaki. The US initially intended to bomb the Japanese city of Kuroko, with the munitions factory as a target.
It is easier because your dont have to see each other like the pressure of you not making a weird face of something.
I would say this group of lines illustrates the music of autumn, because the word choir is mentioned:
<span>"Then in a wailful choir the small gnats mourn
Among the river sallows, borne aloft
Or sinking as the light wind lives or dies".</span>