Hidden Treasures Published November 6, 2014 at 288 × 228 in Hidden Treasures ← Previous Next → Wanda Sieber, Tasha Fischer, Bruce Dangerfield and Bruce Burton in “Hidden Treasures” Hidden Treasures: A Musical Revue of the Parables of Jesus Christ, written by Wanda Sieber, opens with an a capella quartet singing “Hidden Treasures”.