masterpiece, high quality, ultra-detailed, elegant African American female jazz vocalist in sequined burgundy gown, performing passionately on stage, microphone in hand, eyes closed, soulful expression, dimly lit jazz bar, warm amber spotlights, brass instruments visible in background, audience silhouettes, vintage 1950s aesthetic, cigarette smoke swirling, crystal glasses on tables reflecting light, velvet curtains, intimate atmosphere, night scene, detailed facial features