Emma Niederbrock shared Communication a relationship Forming_relationships with Richard Samuel McCroskey , a troubled Resolve_problem aspiring rapper .

Unfinished Business is the second collaboration album between R & B singer R. Kelly and rapper Jay-Z and was released Publishing worldwide on October 26 , 2004 .

Stefani recruited Becoming_a_member hip hop group The Black Eyed Peas , rapper M.I.A. , and singer Ciara to accompany her as opening acts for her endeavors .

Jay-Z & Ciara Live ( also known as Jay-Z Live with Special Guest Ciara ) , was a 2009 summer concert tour Traveling headlined by rapper Jay-Z and R & B singer Ciara .

The opening Openness act for the tour was rapper Fabolous .

Its title is a reference to her marriage Forming_relationships with American rapper Shawn `` Jay-Z '' Carter , who made multiple guest appearances throughout the tour .

The album was produced Manufacturing by Jonas Karlsson , Jarkko Ehnqvist and Hank Solo , and features collaborations with Danish pop singer Christopher and Finnish rapper Gracias .