She has sold more than 6 million albums in the US and over 15 million worldwide .
Diana Jean Krall , OC , OBC ( born November 16 , 1964 ) is a Canadian jazz pianist and singer , known for her contralto vocals .
Diana Jean Krall , OC , OBC has sold more than 6 million albums in the US and over 15 million worldwide .
Diana Jean Krall , OC , OBC ( born November 16 , 1964 ) is a Canadian jazz pianist and singer , known for her contralto vocals .