In 2006, Peterson worked with his friend Randall Goodgame to release "Slugs & Bugs & Lullabies", a children's album. The album produced two tracks which were featured on the newest video in the bestselling VeggieTales series called "The Wonderful Wizard of Ha's". Peterson sang the song "Arise, Arise" on "Songs from the Voice, Vol. 2: Son of the Most High", a compilation album produced by Don Chaffer of Waterdeep. That same year, Michael Card recorded Peterson's song "The Silence of God" for his album "The Hidden Face of God". Peterson has appeared on Card's radio show on numerous occasions.