M.C. Hammer is joining the family horse business in hopes of developing a stable income besides what he earns as a rap star.

Hammer and his brother Christopher Burrell have joined their father, Lewis Burrell, and another brother, Lewis Jr., as partners in the Oaktown Stable of Oakland, Calif.Christopher Burrell and Hammer have 30 days to complete state licensing requirements and officially become thoroughbred owners.

"Hammer is on a world tour, but we hope he can stop in California in time to be licensed after his Japan concerts and before he heads for Europe," his father said Monday in a statement.