Tatiana Eva-Marie is a Swiss-American bandleader, singer, producer, author, and actress. She was born in Switzerland into a family of artists - she is the daughter of composer Louis Crelier and violinist Anca Maria. Her father is Swiss-French and her mother is Romanian. She later moved to New York and founded the Avalon Jazz Band. In 2024, she wrote the libretto for an opera, "Eden Park", music by Swiss composer Gérard Massini. Read more on