Underwood to sing national anthem at Super Bowl (AP)

AP - Carrie Underwood is going to the Super Bowl — and she'll be singing the national anthem.

Grammy nod adds leverage to Melanie Fiona's career (AP)

AP - Melanie Fiona still cries when she thinks about her ex-boyfriend. He is the main reference in her R&B smash, the haunting ballad "It Kills Me."

After Mamma Mia!, fans can sing along with ABBA (Reuters)
Reuters - If singing along to ABBA classics on the "Mamma Mia!" soundtrack is not enough, fans have the chance to perform alongside 3-D, holographic versions of the Swedish quartet at a new exhibition dedicated to them.

Cheryl Cole to support Black Eyed Peas on UK tour (Reuters)
Reuters - British singer Cheryl Cole, best known as a judge on the hit "X Factor" television series, will support U.S. group the Black Eyed Peas on the British leg of their forthcoming THE E.N.D. world tour.

Trent Reznor confirms Nine Inch Nails will record new material (Yahoo! Music)
Yahoo! Music - Courtesy of NME -- Band set to continue releasing new music despite quitting live circuit

Sly Stone sues ex-manager, claiming millions kept (AP)

AP - Sly Stone is suing a former business manager and others claiming tens of millions of dollars in royalties were kept from the singer.

Rocker Joe Walsh takes on namesake politician (Reuters)
Reuters - Another musician is claiming that a political candidate is tone deaf to the nation's intellectual property laws. And this one has an amusing twist.

UK musicians pay tribute to songs of Nick Drake (Reuters)
Reuters - Nick Drake is an unlikely romantic hero. In the 1970s he was a minor English singer and songwriter who peddled a lyrical brand of introspection that earned him a small but devoted following and few record sales.

Gabriel: Disaster aid can benefit from technology (AP)

AP - Haiti's devastating earthquake reinforced Peter Gabriel's belief that disaster relief needs to take better advantage of the digital age.

Quincy Jones, John Mayer to headline LA music expo (Reuters)

Reuters - Producer Quincy Jones, pop guitarist John Mayer and retired soul singer Bill Withers will headline performing rights group ASCAP's annual songwriters convention in Hollywood on April 22-24, organizers said.