G3 is a concert tour organized by guitarist Joe Satriani featuring him alongside two other guitarists. Since its inception in 1995, G3 has toured most years and has featured many guitarists, including Steve Vai, Eric Johnson, Kenny Wayne Shepherd, Yngwie Malmsteen, John Petrucci, Robert Fripp, Paul Gilbert, Steve Morse, Steve Lukather, Uli Jon Roth, Michael Schenker, Adrian Legg, Phil Collen and many other special guests, including Tony MacAlpine, Johnny Hiland, Keith More, Chris Duarte, Andy Timmons, Neal Schon, Gary Hoey, Brian May, Billy Gibbons, Johnny A, George Lynch, Patrick Rondat, Guthrie Govan, Alejandro Silva, and Eric Sardinas.

Joseph Satriani is an American rock guitarist, composer, and songwriter. Early in his career he worked as a guitar instructor, with many of his former students achieving fame, including Steve Vai, Larry LaLonde, Rick Hunolt, Kirk Hammett, Andy Timmons, Charlie Hunter, Kevin Cadogan, and Alex Skolnick. Satriani went on to have a successful solo music career, starting in the mid-1980s. He is a 15-time Grammy Award nominee and has sold over ten million albums, making him the bestselling instrumental rock guitarist of all time.