G3 (
G4 from 2015) 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 (Satriani's former student),
Eric Johnson,
Kenny Wayne Shepherd,
Yngwie Malmsteen,
John Petrucci,
Robert Fripp,
Paul Gilbert,
Steve Morse,
Steve Lukather,
Uli Jon Roth,
Michael Schenker,
Adrian Legg 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,
Herman Li,
Alejandro Silva, and
Eric Sardinas.