Here's the transcript, including Prince's intro which got cut off by commercials (in my area anyway), but it shows up on the closed-captioning:
ANNOUNCER: To introduce our next nominee for film musical, the artist with the biggest tour of 2004. Ladies and gentlemen, Prince!
...APPLAUSE & SOME CHEERING...
PRINCE:(mouths: "thank you... thank you") Genius! If you've ever heard Ray Charles sing, you know what true genius is. Director, Taylor Hackford, along with writer, James L. Wright, [applause finally dies down] captured not only the vitality of his music, but also Ray's bouts with blindness, racism, and his own inner demons. Then there were the amazing performances: Mr. Jamie Foxx. [applause and cheers] You didn't just portray Ray Charles, you were Ray Charles. Here's a biography worthy of the man himself. Please take a look at Ray. [movie clip is shown -- Ray Charles learning to play "The Mess Around"]