Hardline consisted of the guitarist who was also known for work with what two other bands?
Hardline (band):  Originally formed in 1991 by brothers Johnny Gioeli and Joey Gioeli, the band consisted of five members, Johnny Gioeli, Joey Gioeli, Neal Schon, Todd Jensen and Deen Castronovo. Neal Schon: Neal Joseph Schon (born February 27, 1954) is an American rock guitarist, songwriter, and vocalist, best known for his work with the bands Journey and Bad English.
Journey and Bad English