Question: Who wrote the original play that was inspired by a passion for a Vienne composer, and was the base for the opera Orpheus und Eurydike?
Sentence (from "Alma Mahler"): She became the wife, successively, of composer Gustav Mahler, architect Walter Gropius, and novelist Franz Werfel, as well as the consort of several other prominent men, notably painter Oskar Kokoschka.
Relevant evidence: No