 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 . Since 1995 , Justin Chancellor has been the band 's bassist , 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. Einzelnes Album: 1. Opiate (1992) 2. Undertow (1993) 3. Ænima (1996) 4. Lateralus (