Humming a monotonous little tune she started to work on the compartment's door.

Sure enough, Amanda-Anne was there, as happy as that child ever got, contentedly humming some monotonous tune in a minor key.

Behind them, the search radar at Phu Quoc continued to thrum its lonely, monotonous tune.

He sat quietly, hands clasped, whistling a monotonous little tune to himself.

The ritual sacrifice of the devil is enacted and the dancers create shapes with their bodies, the whole accompanied by a constant monotonous tune.

He never tired of the words or the monotonous tune.

The flies and bees sped by in a monotonous tune of buzzing through the corn stalks and over the tomato plants.

The singing went on and on, the same monotonous tune repeated interminably.

He played on a reed flute as he went, a sweet but monotonous tune, and the cattle followed him like faithful hounds.

The primary song of the Blue-headed Vireo is a simple, slow, monotonous tune that is often confused with the faster Red-eyed Vireo (Vireo olivaceus) song.