Carrie Underwood received a Grammy for best female country vocal for the song "Before He Cheats," which she performed during the ceremony. (Photo: Kevork Djansezian/Associated Press)

Prince presented the award for Best Female R&B Performance, which was given to Alicia Keys for the song "No One." (Photo: Mike Blake/Reuters)

Alicia Keys performed "Learnin' The Blues." (Photo: Mike Blake/Reuters)

Rihanna seemed at ease as she fronted a version of the Time, the 1980s funk act that formed and disintegrated before she was born, in a flashy run through of her hits "Umbrella" and "Don't Stop the Music." (Photo: Robyn Beck/Agence France-Presse -- Getty Images)

Kanye West performed "Stronger." (Photo: Mike Blake/Reuters)

Fergie and John Legend performed. (Photo: Mike Blake/Reuters)

Beyoncé, left, took the stage to perform her hit, "Deja Vu" before teaming up with Tina Turner as the two performed a duet of "Proud Mary." (Photo: Mike Blake/Reuters)

(by courtesy of www.nytimes.com)

Les producteurs des Grammy se sont arrangés pour qu'Amy Winehouse se produise par liaison satellite depuis Londres. (Kersey/AP) Crédits photo : AP

La chanteuse britannique, absente de la cérémonie, a gagné 5 « oscars de la musique». Le jazzman Herbie Hancock est sacré pour l'album de l'année.