Madonna postpones opening concert in Argentina (AP)

AP - Don't cry Argentina: Madonna has postponed the first of four shows in Buenos Aires.

Beyonce rings up new No. 1 single (Reuters)

Reuters - Beyonce notched her fifth solo No. 1 hit on the Billboard Hot 100 singles chart on Thursday, one more than she scored as a member of Destiny's Child.

Adidas ads feature musicians but not their music (Reuters)

Reuters - In the summer of 1986, hip-hop pioneers Run-D.M.C. played a show at Madison Square Garden in New York, riding high on the success of their single "My Adidas" and their third album, "Raising Hell."

U2 scrap Rick Rubin tracks on new album (Yahoo! Music)
Yahoo! Music - U2 have shelved a host of tracks recorded with Rick Rubin on their forthcoming 12th studio album.

Katy Perry Cast Her Chest and She Liked It (E! Online)

E! Online - Wanna take home Katy Perry's breasts?

Lil Wayne and Coldplay lead Grammy field (Reuters)

Reuters - Rapper Lil Wayne, whose new album was the biggest seller of the year, led the field of Grammy contenders, while rock bands Coldplay and Radiohead led a British invasion of the music industry's top honors.

Suspect in Hudson murders has long rap sheet (AP)

AP - The man charged with murdering the mother, brother and nephew of Oscar-winning actress Jennifer Hudson was a high-school dropout and street gang member with a long rap sheet for drug offenses and stealing cars.

Rockefeller Center lights tree in annual ceremony (AP)

AP - A family of Hurricane Katrina survivors whose new house was partly built with lumber from last year's Rockefeller Center Christmas tree were among tens of thousands who attended this year's lighting ceremony.

Green Day speak about new 'powerpop' album (Yahoo! Music)
Yahoo! Music - Green Day's Billie Joe Armstrong has hinted that their forthcoming new Butch Vig-produced album could take a "powerpop" direction.

Jazmine Sullivan hits it big with 5 Grammy nods (AP)

AP - Jazmine Sullivan's first song was a No. 1 hit on the R&B and hip-hop charts, and her raspy voice has drawn her comparisons to Lauryn Hill. Still, the singer-songwriter was struggling for name recognition in a crowded field of music newcomers.