The words came in a deep monotone.

Sheriff Hayes's voice hummed in the deep monotone Lindy had become familiar with.

His lips barely move as he rumbles along in a slow, deep monotone.

His voice isn't golden; like a rusty old farm implement, it rasps and creaks, moving out of a deep monotone only with great effort.

He called party leaders across the state and, and in his deep and fatherly monotone, reassured them.

"To the people of Panama and surrounding areas," he began in a deep southern-tinged monotone.

"Their justice is at hand," Anthar said in a deep monotone.

All of them save the leader gave a deep, monotone intonation, a long and low hum.

His reedy voice and excitable manner stood out in what was otherwise a blending chorus of deep monotones.

"Hi, I'm Alan," he said in a surprisingly deep monotone.