Listen To T.I. & Christina Aguilera “Castle Walls” [AUDIO]
Listen up, Music Fans: We’re finally getting our first listen to the highly-anticipated collaboration between embattled rap star T.I. and newly-single singer Christina Aguilera. The song — titled “Castle Walls” — was produced by Alex Da Kid, the music mastermind behind Rihanna & Eminem’s smash hit “Love The Way You Lie” and “Airplanes” from B.o.B. and Hayley Williams from Paramore.
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