Nothing he said changed the tone of his voice at all.

Even if I try to change the tone of my voice.

But the next moment she had already changed her tone.

Our approach had changed the tone of the whole debate.

But now a Federal court decision could change the tone of the debate.

She changed her tone so he'd see the subject was closed.

And then there were the two players that changed the tone of the game.

The Indian, for the first time, changed the tone of his voice.

If somebody doesn't seem to be hearing what you're saying, it's often a good move to change the tone.

I started to say something sharp, then changed my tone.