This new narrative comedy podcast follows two estranged brothers as they unravel the mystery of their grandfather's disappearance, while staying a step ahead of a vengeful FBI agent. Their only hope lies in a box of radio tapes they found in their grandpa's Whoopi Goldberg bust. The tapes take them into the world of a bizarre Cold-War era American propaganda program, teeming with songs, interviews, field pieces and a horse who can do math. Will the secrets revealed in the tapes lead them to their missing grandfather? Find out, on The Sound of Liberty.