Baby's In Black by The Beatles is a melancholic song that delves into themes of love and loss. The track tells the story of a man whose lover is mourning the loss of another person she cared deeply for. Despite his own feelings for her, he is unable to console her grief. The key themes in this song revolve around unreciprocated love, sorrow, and emotional conflict. Particularly poignant moments include the repetition of 'Oh dear, what can I do?' which emphasizes the narrator's helplessness in the situation.