Top 20 Concert Tours (AP)

AP - The Top 20 Concert Tours ranks artists by average box office gross per city and includes the average ticket price for shows in North America. The previous week's ranking is in parentheses. The list is based on data provided to the trade publication Pollstar by concert promoters and venue managers.

Appeals court sets hearing in Jackson estate case (AP)

AP - An appeals court has scheduled a hearing for lawyers for the father of Michael Jackson to argue that he deserves a role in decisions involving his son's multimillion dollar estate.

Katy Perry tops U.S. album chart for first time (Reuters)

Reuters - Katy Perry achieved her first No. 1 album on the U.S. pop chart Wednesday, ending Eminem's reign of seven nonconsecutive weeks.

Add hip-hop to 'Rock Band' thanks to Snoop Dogg (AP)

AP - Rap and rock will collide once again — this time in a video game.

Chris Brown returns to No. 1 spot with 'Deuces' (AP)

AP - Chris Brown is back to a familiar place — the No. 1 spot on the Billboard charts.

Axl Rose tries Dublin's patience, sends crowd home (AP)

AP - Axl Rose, it seems, needs a little more patience — and a much louder alarm clock.

Rapper T.I. arrested for drug possession in LA (Reuters)

Reuters - Rapper T.I. has been released from jail after being arrested on suspicion of possessing ecstasy, police said on Thursday.

Apple and Google to clash in music space by Christmas (Reuters)

Reuters - Google Inc is in talks with music labels on plans for a download store and a digital song locker that would allow its mobile users to play songs wherever they are as it steps up its rivalry with Apple Inc, according to people familiar with the matter.

Music labels eager for Google-Apple battle (Reuters)

Reuters - Google Inc is in talks with music labels on plans for a download store and a digital song locker that would allow its mobile users to play songs wherever they are as it steps up its rivalry with Apple Inc., according to people familiar with the matter.

Perry aims to show more dimensions with 'Dream' (AP)

AP - To some, the most surprising part of Katy Perry's sophomore success is that it exists.