Coldplay, Duffy, Adele nab pop Grammys

Radiohead, Lil Wayne also pick up nods

Brits won big in the pop categories during the 51st annual Grammy Awards' pre-telecast Sunday, with Coldplay's "Viva La Vida" winning for best pop performance by a duo or group with vocals, Duffy's "Rockferry" scoring best pop vocal album and Adele's "Chasing Pavements" winning best female pop vocal performance. Radiohead's "In Rainbows" won for best alternative music album.

Rick Rubin won producer of the year for his work with Metallica ("Death Magnetic"), Neil Diamond ("Home Before Dark"), Weezer ("Red Album") and others.

Lil Wayne won for best rap solo performance for "A Milli," and his "Lollipop" won best rap song. "Swagga Like Us," by Jay-Z and T.I. featuring Kanye West and Lil Wayne, won best rap performance by a duo or group. Best rap/sung collaboration went to Estelle and Kanye West for "American Boy."

Al Green, a veteran Grammy winner, nonetheless won for the first time in the R&B category for his collaborations with John Legend and Anthony Hamilton on his Blue Note album, "Lay It Down."

Elsewhere in the R&B category, Alicia Keys scored for best female vocal performance for "Superwoman," while Ne-Yo won for male vocal performance for "Miss Independent." "Miss Independent" also won for best R&B Song, by writers Mikkel Eriksen, Tor Erik Hermansen and Shaffer Smith. Best R&B contemporary album went to Mary J. Blige for "Growing Pains." Breakout artist Chrisette Michele won for best urban/alternative performance for "Be
OK," featuring

Possibly portending a win later in the night for album of the year, Robert Plant and Alison Krauss took home awards during the pre-telecast, one for best contemporary folk/Americana album for "Raising Sand" and country collaboration with vocals "Killing the Blues," which is on the album.

In the other country categories, Carrie Underwood won best female country vocal performance for "Last Name," and Brad Paisley won for best male country performance for "Letter To Me." Best country song went to Sugarland's Jennifer Nettles for "Stay." George Strait's "Troubadour" won for best country album.

John Mayer's "Gravity" won best solo rock vocal performance, while Kings of Leon's "Sex on Fire" won best rock peformance by a duo or group with vocals.