Bone Thugs-n-Harmony is a American gangsta rap group from Cleveland, Ohio, best known for its fast rapping style and harmonizing vocals. In 1997, the group was awarded a Grammy for Best Rap Performance for "Tha Crossroads." The group has won numerous other awards since its conception in the early 1990s. They are regarded as one of the best selling hip-hop groups, with 35 million records sold worldwide.