All through the smoke drifted the music, a monotone voice sang to him, words he couldn't understand.

He delivered this litany of cause and effect in a monotone voice like a recording that has been played many times before.

"All available units," a monotone voice came over the radio.

The droning monotone voice on my radio so sadly familiar.

"Working," the monotone, female voice of the station's computer said.

"No," she responded to the monotone voice coming from the base.

The soothing monotone voice asked, "What was the risk level of this procedure?"

"Working," the computer said in a monotone female voice.

Affected individuals often have problems with sound production, stuttering, and a monotone voice.

The sound of the monotone voice was literally dreadful.