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.

Irish crowd pelt Gun N' Roses after lengthy wait (Reuters)

Reuters - American rock band Guns N' Roses incurred the wrath of a crowd in Ireland after showing up almost an hour late -- and then left the stage after being pelted with plastic glasses.

Funk band War tells PepsiCo they're not friends (AP)

AP - Members of the original funk band War say they can't be friends with PepsiCo.

ASCAP flips switch on free app (Reuters)

Reuters - Performing rights organization ASCAP launched a free app for Apple's portable devices Wednesday, allowing its member songwriters and publishers to access their catalog, performance and royalty information.

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.

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.

`American Idol' adds L.A. audition on Sept. 22 (AP)

AP - "American Idol" is expanding the talent search for its next season with an audition in Los Angeles later this month.