Best known as a member of the Cleveland crew Bone Thugs-N-Harmony, rapper Bizzy Bone began a prolific, risk-taking, and sometimes baffling solo career in 1998. Combining rapid raps and laid-back singing, his soul-searching debut, Heaven'z Movie, didn't sound entirely unlike a Bone Thugs album, but it was obvious that on his own Bizzy felt free to explore his psyche and to go eccentric places his group just would not. The Gift from 2001 further divided Bone fans, with some seeing his confessional writing as riveting while others found it overly indulgent. A year later at a Bone...