Alex Da Kid Talks T.I’s Next Single, “Castle Walls” (Video)

Alex Da Kid spoke to Rap-Up about T.I‘s next single, “Castle Walls” which features Christina Aguilera and has Alex on the buttons. The London-born producer, who is behind Eminem‘s number one hit “Love The Way You Lie” and numerous other big tunes spoke about how he teamed up with T.I. and Christina for the record.