David Hasselhoff sings the theme to The Young and the Restless (Nadia's Theme) live on Merv in 1977. Before Knight Rider and Baywatch made him famous he played a doctor on the soap opera "The Young and the Restless." David Hasselhoff sings the theme to The Young and the Restless (Nadia's Theme) live on Merv in 1977. Before Knight Rider and Baywatch made him famous he played a doctor on the soap opera "The Young and the Restless." His new album called "Open Your Eyes" will be in stores September 27th with covers including Neil Diamonds "Sweet Caroline".