There are lots in classical music, including several of Wagner's operas, Tchaikovsky's tone poems, and more.
For fantasy, one may consider works by Dante, Kafka, Garcia Marquez, and many more.
Just did my monthly status....not counting today....
25 Prose Poems
16 Traditional Poems
3 Flash Fictions
Boy do I know that!
I've got a concept brewing hopefully I can get it on the page in time. I had to plan ahead, 5000 for me feels like a novel. : ) excited to read everyone's