Rapper Lil' Wayne announced Monday he is in the studio laying down tracks for two new albums which will actually be sequels to his "Rebirth" and "I Am Not a Human Being" sets. The announcement comes less than two months after the rapper rleleased the fourth installment in his "Tha Carter" series, which debuted at No. 1 and nearly went platinum in the first week after its August 29th release.  Release dates have not been determined for "Rebirth 2" and "I Am Not a Human Being 2."