Singles: 

10 ( - )    "Louder" by Parade
22 (18)    "Who's That Chick" by David Guetta feat. Rihanna

Albums: 

29 (23)    OUTTA THIS WORLD Jls
[includes "That's My Girl" - 18.75% o/b/o  Jay Sean / Bucks (Worldwide)]

37 (33)   THE FAME (MONSTER)  Lady GaGa 
 [includes "Retro Dance" - 20% o/b/o Calvin Gaines / The Royalty Network (UK & Eire)] [included on International Digipack edition only]    

48 (50)    THE BEGINNING The Black Eyed Peas
 [includes "The Best One Yet (The Boy)" and "Everything Wonderful" - both 25% o/b/o Giorgio Tuinfort / Talpa (UK & Eire)  
                       
56 (49)   RECOVERY  Eminem      
 [includes "Going Thru' Changes" - 50% o/b/o John 'Ozzy' Osbourne, Tony Iommi, Terrence 'Geezer' Butler and Bill Ward / Onward Music  (Worldwide)]     [samples Black Sabbath's "Changes"]

71 (25)    LASERS  Lupe Fiasco 
 [includes "Break The Chain" - 10% o/b/o Derek Safo p/k/a 'Sway' / Bucks (World ex. Australia/New Zealand/APRA territories)]

72 (65)   RATED R  Rihanna      
 [includes "Photographs" - %tbc o/b/o Alain Whyte / Pacific Electric Music  (UK, Eire, South Af