I didn't want to hear his low, eerie, tuneless humming.

It was like the low humming of harvesting bees on a hot afternoon.

The lights pointed toward the road and the sound of the sedan's engine made a low, rhythmic humming.

The children listened - and over the black and silver water they heard the sound of a low humming.

It was a low humming, perhaps singing, the words not quite distinguishable.

There was a low humming of light here more basic in its harmony than any other music in his universe.

I ask, indicating a low humming among the trees.

Behind them, deep within the forest, a low humming had begun.

A low humming, comprised of multiple conversations, filled the room.

He put his ear against the exterior and heard a low humming.