He rose to stardom as a co-founder of Love Song, which became the first popular Christian rock band.
He moved to Santa Rosa from Los Angeles when he was a teenager.
As a solo artist, he performed the hit songs "Sometimes Alleluia" and "Rock 'N' Roll Preacher."
His daughter is musician Alisa Childers, who became a member of Zoegirl.
A Christian singer who followed in Girard's footsteps is Jon Foreman of Switchfoot.