Kendrick Lamar, One Direction Highlight Social Chart Action

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t Kendrick Lamar performs onstage during 2014 ONE Musicfest at Aaron's Amphitheater at Lakewood on September 13, 2014 in Atlanta, Georgia. 

Kendrick Lamar reaps chart rewards after the title of his first single since 2012's Good Kid, M.A.A.d City was leaked online Sept. 17. Entitled “i,” the track's artwork soon appeared and the online conversation around the song's expected debut the following week immediately sent it to the top of the Billboard + Twitter Trending 140 chart that day.

For the week, “i” starts as the second-highest debut on the weekly Twitter Top Tracks chart at No. 9. One Direction claims the week's top arrival with "Steal My Girl," which roars in at No. 2 after the group (and each member separately, except for Harry Styles, per his typical fashion) tweeted a short snippet of the track on SoundCloud.

On the Social 50, however, One Direction tumbles 6-8 with a 17 percent loss in overall points. General online reaction for "Steal" was not a match for the amount of activity generated from the Sept. 8 announcement of the act's forthcoming album Four. That news spurred a 101 percent gain for the group two weeks ago (on the chart dated Sept. 20), when One Direction vaulted 24-7.



Meanwhile, Bars and Melody, a rapper (i.e., the "bars," Leondre Devries) and singer (i.e., the "melody," Charlie Lenehan) from the U.K., launch on Twitter Top Tracks at No. 33 with first single "Hopeful." The duo (whose members are 14 and 16 years old, respectively) competed on the most recent series of Britain's Got Talent and have appeared on The Ellen DeGeneres Show.

Recapping the rest of the Social 50’s top 10, the top five remains the same as the previous frame with Justin Bieber finishing in the lead, followed by Miley Cyrus, Ariana Grande, Nicki Minaj and Demi Lovato at Nos. 2-5, respectively.

Iggy Azalea jumps into the Social 50's top 10, soaring 12-6 powered by the success of Jennifer Lopez's "Booty" music video, which features Azalea (and her vocals) as a co-star. Selena Gomez remains at No. 7, while, below One Direction at No. 8, 5 Seconds of Summer fall 8-9 and Taylor Swift descends 9-10.