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[Subject] One adult blonde female singer-guitarist, fair skin, shoulder-length straight/wavy blonde hair parted to side, expressive mid-lyric facial expression, hoop earrings. Wearing a fitted black top with bold white geometric cutout/print pattern across chest.

[Props/objects] One black/silver dynamic microphone at lower-left near mouth; one natural-wood acoustic guitar across lower frame with visible strings and sound hole. Subtitle text overlay at bottom center: upper line white ("I CAN"), middle line red + white emphasis ("JUST STOP"), plus tiny emoji icon near lower-right subtitle area.

[Environment] Stage-like dark background with bright circular lights and subtle starburst beams radiating outward. No visible audience details.

[Composition/Camera] Vertical 9:16 medium close-up, torso and head dominant, microphone entering diagonally from left, guitar occupying lower third. Camera near eye level.

[Lighting] Warm key on face from front-left, balanced fill, bright back practical lights producing bokeh + mild flare/starburst, moderate contrast.

[Style/Rendering] Photorealistic social music reel style, clean digital sharpness, high facial detail, stage-light bloom, polished but natural skin rendering.

[Detail constraints] Keep exactly one singer, one microphone, one acoustic guitar, and one bottom lyric subtitle block with red/white emphasis; preserve black-and-white geometric top and bright back stage lights; no extra performers or logos.

Negative prompt: extra musicians, second guitar, absent subtitles, wrong subtitle colors, cartoon look, blurry face, distorted guitar geometry, over-smoothed skin, random watermark, cluttered background objects, outdoor daylight.

Suggested parameters: aspect ratio 9:16, focal length 35-70mm, aperture f/2.0-f/3.2, steps 28-40, CFG/style strength 5.5-7.2, sampler DPM++ 2M Karras, seed suggestion 771365.

Delta prompt strategy (top drift risks + corrective micro-prompts):
1) Top pattern changes -> "black fitted top with high-contrast white geometric cutout pattern"
2) Subtitle disappears -> "add bold two-line lyric subtitle at bottom center"
3) Subtitle color wrong -> "middle line red emphasis with white outline, upper line white"
4) Guitar missing -> "natural acoustic guitar crossing lower frame"
5) Mic position wrong -> "dynamic mic near lips from left foreground"
6) Backlights too dim -> "bright circular stage lights with subtle starburst rays"
7) Expression too neutral -> "animated mid-lyric expression, slightly raised cheeks"
8) Crop too wide -> "tight medium close-up with guitar in lower third"
9) Skin overprocessed -> "natural skin texture with controlled highlights"
10) Extra text artifacts -> "only clean lyric text block, no additional watermarks"