Maria Muldaur is an American folk and blues singer who gained prominence in the 1970s. Known for her rich, warm vocal style, she is best recognized for her hit "Midnight at the Oasis." Over the course of her career, Muldaur has explored a variety of music genres, including gospel, jazz, big band, and country, while maintaining a strong foundation in blues. Her influence and versatility have made her a significant figure in the American roots music scene.