By Dasha Afanasieva LONDON (Reuters) - U.S. singer Beyonce performed a set full of female anthems on Saturday at a London concert to raise funds for women's health, education and justice. The concert, which organizers hoped would reach a billion viewers, was staged by Chime For Change, a charity started by Italian fashion house Gucci which crowdfunds donations for projects to advance gender equality in more than 70 countries.

By Eric Kelsey LOS ANGELES (Reuters) - Pop singer and "American Idol" judge Mariah Carey will leave the TV singing contest and go on a world tour next year, following on the heels of longtime judge Randy Jackson after the show suffered from a ratings slump. "@MariahCarey confirms world tour & says goodbye 2 Idol," public relations firm PMK BNC, which represents Carey, said on Twitter on Thursday.

By Michael Roddy PARIS (Reuters) - Right on cue, the "chosen one" danced herself to death, twice in a row, for the centenary of Igor Stravinsky's pagan and pulsating "The Rite of Spring" ballet on Wednesday at the Theatre des Champs-Elysees. But this time, unlike at the premiere in the same theatre on May 29, 1913, there was no near riot, though there were a few boos for the second, contemporary version of the ballet.

The following list represents the most viral tracks on Spotify, based on the number of people who shared it divided by the number who listened to it, from Monday, May 20, to Sunday, May 26, via Facebook, Tumblr, Twitter and Spotify. 1. Zach Sobiech, "Clouds" (Rock the Cause) 2. Falling in Reverse, "Fashionably Late" (Epitaph) 3. Robin Thicke, "Blurred Lines" (Star Trak LLC) 4. Five Finger Death Punch, "Lift Me Up" (Prospect Park) 5. Daft Punk, "Doin' It Right" (Columbia Records) 6. Lorde, "Royals" (Lava Music/Republic Records)