I heard that,' Craig said in the same pleasant tone of voice.
The speaker has a more pleasant tone to it, but either will do fine.
"All things can be arranged," the pyramid said in a pleasant tone.
"You shouldn't find it hard to get free," he said in a pleasant tone.
She thanked him in a low and perfectly pleasant tone of voice.
Jake raised his voice, although it was still a pleasant low tone.
The pleasant tone in his voice kept her off balance.
"Quite all right," said Green in a mild, pleasant tone of voice.
Each time, he'd left a message, in pleasant tones, that he was too busy and things were going well.
Then he began to speak in a pleasant tone of voice.