The Project: Mobius Fab 50 - Week of September 12, 2011

Although Foster the People's "Pumped Up Kicks" has commanded the top of the Fab 50 the last couple of weeks, a competitive challenger has finally emerged in "Lighters". Will this new Bad Meets Evil and Bruno Mars collaboration be able to take the top spot from Foster the People? Find out in the full article!

There was a lot of moving on the chart this week. Is it the new music season? I'm not sure - whatever it is, however, makes this issue of the Project: Mobius Fab 50 exciting!

At the Top

• "Pumped Up Kicks" is able to hold off tough competition from "Lighters" and Maroon 5's "Moves Like Jagger" for the top spot.
• Lady Gaga's "You and I" reaches a new peak of 4th on the chart, while "I Wanna Go" drops to 5th.

Big Movers

• Up 9: "Without You" - David Guetta & Usher [#46 to #37]
• Up 7: "Someone Like You" - Adele [#14 to #7]
• Up 5: "You and I" - Lady Gaga [#9 to #4]
• Up 5: "In the Dark" - Dev [#21 to #16]
• Up 5: "Take Over Control" - Afrojack & Eva Simons [#26 to #21]

Big Losers

• Down 14: "Rolling in the Deep" - Adele [#34 to #48]
• Down 9: "Rain Over Me" - Pitbull & Marc Anthony [#24 to #33]
• Down 9: "I'm Into You" - Jennifer Lopez & Lil' Wayne [#40 to #49]
• Down 8: "The Edge of Glory" - Lady Gaga [#23 to #31]
• Down 7: "Give Me Everything" - Pitbull & Ne-Yo [#17 to #24]
• Down 7: "Good Life" - OneRepublic [#20 to #27]
• Down 7: "Where Them Girls At" - David Guetta, Flo Rida & Nicki Minaj [#28 to #35]
• Down 6: "Domino" - Jessie J [#44 to #50]
• Down 5: "Collide" - Leona Lewis & Avicii [#38 to #43]

Newcomers

• "Mr. Know It All" - Kelly Clarkson (#10)
• "Sexy And I Know It" - LMFAO (#29)
• "No Sleep" - Wiz Khalifa (#42)
• "Do You?" - iFFY the Bad Man (#46)

Songs "Off the Charts"

• "Good Feeling" - Flo Rida (formerly #42)
• "Don't Wanna Go Home" - Jason Derulo (formerly #48)
• "Beautiful People" - Chris Brown & Benny Benassi (formerly #49)
• "True Love" - Destinee & Paris (formerly #50)