Beyonce and the late Michael Jackson were the two popular figures who is renowned as a hard worker. They are not easily satisfied on an outcome. In the documentary film Life Is But A Dream, Beyonce's once said, "if I can't sleep, so there are no stafku may bed. "
He is so detail in preparing everything. The same attitude is also owned by the late Michael Jackson. A when he was furious because he thought his dance rhythm slightly asynchronous with music when no one else is aware of it.