This novel is based on the life of Juan Hidalgo, a 17th century composer and harpist who worked in the courts of King Philip IV and King Charles II of Spain. Juan Hidalgo became the most famous Spanish composer of his time and an outstanding harpist. He wrote the music for the first two operas to be written in Spanish.
While it focuses on a person who actually lived, this is a work of fiction. The era of Spanish history in which the story unfolds, the Golden Age, was turbulent, colourful and rich. Art and literature flourished as the Spanish battled in Europe. You, the reader, may believe that what is not verifiable fact must be fiction. But you should beware. The difference between history and mystery is not always clear, especially in such troubled times.