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That's what Rolling Stone is saying:

Ross can also be heard on the remix of Young Jock's "It's Goin' Down," ... Ross is in negotiations with P. Diddy to become the newest member of the Bad Boy Records rap-group Boyz N Da Hood...

There is a remix floating around with Ross, Slim Thug, Jody Breeze and Block (just talking at the end). But, I have been told that this is not official.