Gluck wrote an opera based on the myth of Orpheus and Eurydice. However, his opera cared more about selling tickets than staying true to the story, so in the end, Orpheus actually gets to live happily ever after with Eurydice.
This painting is by George Frederic Watts. The painting is illustrating the moment when Orpheus looked back to see Eurydice die again.
This is a painting by Jean-Baptiste-Camille Corot depicting Orpheus leading Eurydice out of the underworld.