David Dundas

David Dundas (b. 1945) is a British musician, actor, and composer known for his hit 1976 single "Jeans On" (originally a jingle) and for co-writing the iconic score for the film Withnail & I, drawing from his bohemian life at Harrow and drama school where he lived with director Bruce Robinson. The son of the 3rd Marquess of Zetland, he's an aristocrat-turned-artist who also appeared in films like Mosquito Squadron and composed for TV, blending pop success with scoring for cult films.