I love the band Tool.  Are you familiar with them?
Yes. They are an American rock band originally from Los Angeles, California!
I remember their first big hit was Sober.
Yes they are quite popular. Tool has won three Grammy awards, performed in tours worldwide, and have had albums that were at the top of the charts in more than one country
Their singer is currently the singer of the band A Perfect Circle.
A Perfect Circle
A Perfect Circle is an American rock supergroup formed in 1999 by guitarist Billy Howerdel and Tool vocalist Maynard James Keenan. A Perfect Circle has released four studio albums, the first three during the early 2000s: "Mer de Noms", their debut album in 2000, and followed up by "Thirteenth Step" in 2003; then in 2004, "Emotive"—an album of radically re-worked cover songs. Shortly after "Emotive"s release, the band went on hiatus; Keenan returned to Tool and started up
Tool (band)
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.
To date, the band has released four studio albums, one EP and one box set.