What makes a rhapsody a rhapsody?

A rhapsody is a musical composition that is free in form and often improvisational in nature, typically characterized by its expressive and emotional qualities. It usually consists of contrasting sections that showcase a variety of themes and moods, allowing for a rich tapestry of musical ideas. The term can also refer to a literary work that conveys deep feelings or a narrative in a passionate manner. Overall, rhapsodies are distinguished by their spontaneity and emotive power.