Here are the winners in key categories at the 54th Grammy awards, handed out Sunday in Los Angeles, at a show clouded by the death of legendary singer and actress Whitney Houston.

Record Of The Year: 'Rolling In The Deep' - Adele

Album Of The Year: '21' - Adele

Song Of The Year: 'Rolling In The Deep' - Adele and Paul Epworth

Best New Artist: Bon Iver

Best Pop Solo Performance: 'Someone Like You' - Adele

Best Pop Duo: 'Body And Soul' - Tony Bennett & Amy Winehouse

Best Pop Vocal Album: '21' - Adele

Best Rock Song: 'Walk' - Foo Fighters

Best Rock Album: 'Wasting Light' - Foo Fighters

Best R&B Song: 'Fool for You' - Cee Lo Green and Melanie Fiona

Best R&B Album: 'F.A.M.E' - Chris Brown

Best Rap Song: 'All of the Lights' - Kanye West

Best Rap Album: 'My Beautiful Dark Twisted Fantasy' - Kanye West

Best Country Song: 'Mean' - Taylor Swift

Best Country Album: 'Own the Night' - Lady Antebellum