The Dolly Show Promo - Show #110 - Marilyn McCoo and Billy Davis Jr. Dolly Parton on stage with Marilyn McCoo and Billy Davis Jr performing "Take These Chains From My Heart", Promo Announcer pipes in over performance- "Marilyn McCoo and Billy Davis Jr. take the chains from your heart this week when they're guest stars on Dolly." Show graphic "Dolly" superimposed.