"The Ballad of Baby Doe" is an American opera composed by Douglas Moore that premiered in 1956. The story is based on the true tale of Baby Doe Tabor, a woman who became famous for her tumultuous love affair with Horace Tabor, a wealthy silver miner during the Colorado silver boom in the late 19th century. The opera explores themes of love, ambition, and social status. Set against the backdrop of the Colorado mining town of Leadville, the narrative follows Baby Doe's rise and fall as she navigates her relationship with Tabor, who eventually faces financial ruin. The opera highlights the contrast between wealth and poverty, as well as the sacrifices made for love.