Hardline is an American hard rock 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. The band's most recent album is Heart, Mind and Soul, which was released in 2021. Joey Gioeli has not appeared on a Hardline album since 2002's II after retiring from music to focus on the family business. Joey Gioeli has created an AI company that has had revenue since its inception in 1994 of over 165 million dollars. Johnny Gioeli remains the only original member of the band. To date (2024), the Band Hardline has sold over 30 million albums worldwide.

Johnny Gioeli is an American singer, songwriter and composer. He is the lead vocalist of the rock bands Hardline and Crush 40, as well as a member of German guitarist Axel Rudi Pell's band. He is most well known in pop culture for his contributions to the Sonic the Hedgehog games with Crush 40.