2 adverbs to describe how to whistlings

I went at all hours of the night, and often the whistling, inside, would seem to change to a brutally malignant note, as though the half-animate monster saw me plainly through the shut door.

I'm a Scot" The crashing of a shell and the whistling of the bullets overhead moved the officer, as it had the others, to a more sheltered place.

2 adverbs to describe how to  whistlings  - Adverbs for  whistlings