Thanks to his lengthy stint as Petra's vocalist, John Schlitt’s legacy in Christian rock is secure. His latest solo album, The Greater Cause, extends his reputation further with arena-sized anthems and thoughtful slower numbers that celebrate his unshakable faith. After 40-plus years in music, Schlitt’s vocals retain a raspy, galvanizing edge. Moments on The Greater Cause hark back to his glory days with Petra, as well as his ‘70s-era tenure with the hard/progressive rock combo Head East. He brings a swaggering, aggressive energy to “Live It Loud,” locks into a clap-along groove for “Love Won’t Leave Me Alone,” and soars with the ascending melodic lines of “Hope That Saves the World.” Salvation's at the center of these songs, with “Faith & Freedom” adding a note of patriotism and “One of These Days” facing down modern decadence. Though upbeat tunes predominate, Schlitt proves himself equally adept at acoustic balladry on “The Gift,” a loving tribute to his wife. From first cut to last, The Greater Cause testifies to the musical vigor and spiritual fervor of this veteran rocker.