1999 Eternal, the group's most successful album, focused primarily on violent criminal activity, but also showed Bone exploring themes of spirituality, and the introduction of the group's trademark 'weed songs'- songs devoted entirely to smoking weed. Their albums have varied in subject material, with 1994's Creepin on Ah Come Up being heavily influenced by the G-Funk gangsta rap era. Not before nor since has a rapper or rap group sung an a cappella tune without loss of street cred. In addition, the group's ability to harmonize whilst flowing at top speeds is truly remarkable. While fast rapping has always had a niche in the culture, Bone certainly brought the style to the forefront. Perhaps the group's most important contribution to rap is their speedy, harmonizing flow. It consists of rappers Krayzie Bone, Wish Bone, Flesh-N-Bone, Layzie Bone, and Bizzy Bone. rap group formed in Cleveland, Ohio, United States in 1991.