Cássia Rejane Eller. Cássia Eller. Cássia. A powerful restless force on stage, shyness herself out of it. One of the greats of Brazilian music, Cássia Eller marked the 1990s and shocked the country with her premature death in 2001. A film about the singer, the mother, the woman who exposed her personal life and broke barriers, leaving a beautiful social and artistic legacy.