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[Subject] One blonde female-presenting stage performer standing at microphone stand during live show. Young-adult appearance, long side-parted blonde hair, calm focused expression looking slightly off-camera. Wearing drop earrings.
[Clothing & materials] Deep red velvet off-shoulder mini dress with fitted silhouette and soft gathered texture. Dark sheer tights visible.
[Props/objects] Black handheld microphone mounted on black stand, held near mouth by left hand. No additional handheld props.
[Environment] Concert stage setting with dark structural background and bright circular stage lights behind subject creating starburst/bokeh highlights.
[Composition/Camera] Vertical full/three-quarter body portrait. Subject centered, microphone stand left-center vertical line. Slight low-angle perspective gives stage presence.
[Lighting] Back and side stage lights create rim highlights on hair/shoulders, plus soft front fill on face and dress. High contrast live-performance look.
[Color palette] Rich crimson dress against dark gray/black stage, warm white light flares, natural skin tones.
[Style/Rendering] Live-performance editorial capture with polished photoreal style; dramatic yet clean stage portrait.
[Detail constraints] Keep one singer only, red velvet off-shoulder dress, visible microphone stand, strong stage backlights, and vertical performance portrait framing.

Negative prompt: outdoor daylight scene, crowd close-up, casual streetwear, no microphone, flat studio white backdrop, neon multicolor lights, text overlays, watermark, blurry subject.

Suggested parameters: aspect ratio 4:5 vertical; focal length equivalent 50-85mm; shallow-medium DOF; steps 28-38; CFG/style strength 5.5-7.5; sampler DPM++ 2M Karras; seed 739146.

Delta prompt strategy (top drift fixes):
1) Outfit drift -> "deep red velvet off-shoulder fitted mini dress"
2) Mic missing -> "black microphone on stand held at mouth level"
3) Lighting drift -> "bright stage backlights with soft front fill"
4) Scene drift -> "dark concert stage environment"
5) Framing drift -> "vertical three-quarter/full-body performance portrait"
6) Hair drift -> "long blonde side-parted hair"
7) Added people -> "single performer only"
8) Mood drift -> "calm focused live-performance expression"
9) Texture drift -> "velvet fabric with subtle gathered folds"
10) Bokeh missing -> "round stage light points behind subject"