Tool is an American rock band from Los Angeles, California. Formed in 1990, the group's line-up includes drummer Danny Carey, guitarist Adam Jones, and vocalist Maynard James Keenan. Justin Chancellor has been the band's bassist since 1995, replacing their original bassist Paul D'Amour. Tool has won three Grammy Awards, performed worldwide tours, and produced albums topping the charts in several countries. The band emerged with a heavy metal sound on their first studio album, Undertow (1993), and later became a dominant act in the alternative metal movement, with the release of their second album, Ænima in 1996.