Tool is a Grammy Award-winning American rock band from Los Angeles, California, formed in 1990. Since their inception, the band's line-up has included drummer Danny Carey, guitarist Adam Jones, and vocalist Maynard James Keenan. The current bassist is Justin Chancellor, who has been with the band since 1995. Tool is known to have rigorous touring schedules in support of their albums, they have performed well on charts worldwide, and have sold an estimated 9.25 million records in the US alone.