Her deep, powerful voice reaches out to all parts of the concert hall.

VOA: special.2009.01.18

Experts say she is remembered not only for the quality of her voice, but also because of the way she carried out her right to be heard.

VOA: special.2009.01.25

No wonder that with an uncertain voice coming out of the White House, Americans will have their doubts,".

VOA: standard.2009.09.22