Include Chris Brown in NB was the idea of ​​Jay-Z.

and you think Jay-Z is against rapprochement between Rihanna and Chris
Brown, you are definitely mistaken. The participation of Chris in
"Nobody's Business", on the album "Unapologetic", was the idea of
Jay-Z and Tyran "Ty Ty" Smith, Roc Nation executives - company
responsible for the singer's career.
The revelation was made by Tyran "Ty Ty" Smith to Complex magazine, which
Rihanna brings on its cover edition in February / March. "We're not
concerned with the press, so I never questioned it. "said
he, recalling the controversial "Birthday Cake", unexpected duet between
Rihanna and Chris Brown released early last year. "It's all in favor
music. The The-Dream wrote not thinking of a duet between them. Jay-Z
and I heard the demo in the car and we had the idea that would join them
something big. Sounds like a drug. It feels really good. Thus it was that
Chris Brown got into this music. "