What key details about j-roc -lrb- record producer -rrb-  can be extracted from the following bio?  Bio: jerome harmon , better known as j-roc , is a pop , r&b and hip hop producer from fort worth , texas . he frequently collaborates with timbaland . jerome harmon has produced for artists such as beyoncé , justin timberlake , jay-z , chris brown , keri hilson , ashlee simpson , mario , nelly furtado , jamie foxx , michael jackson , and chris cornell .
The answer to this question is:
- years active is 1993 -- present- birth name is jerome harmon- origin is fort worth , texas , united states- genre is hip soul , funk hop , rhythm and blues , pop ,- name is jerome `` j-roc '' harmon- background is non_performing_personnel- website is -lsb- http://www.jeromeharmonproductions.com/ jeromeharmonproductions.com -rsb-- associated acts is beyoncé chris cornell , chris brown , keri hilson , waymon , tisdale , ashlee simpson , jamie foxx , fred hammond jay-z , nelly furtado , mario , the royal court , , michael jackson timbaland , justin timberlake ,- occupation is record producer , musician