Prompt: portrait of Sade singing \\\"Smooth Operator\\\" on stage, 80s vibe, wearing a strapless red dress and heels, holding a microphone, smoky nightclub atmosphere behind her, glowing stage lighting, sensual expression, by Alphonse Mucha, stylized brush strokes, neoclassical style, subtle dutch angle, detailed textures, dramatic contrast, Rembrandt lighting, 35mm analog film quality, highly detailed, artstation trending, leyendecker influence