Keep the model context, then adjust subject, style, lighting, camera angle, and output ratio before remixing.
Replace vague nouns with concrete subjects, locations, colors, materials, and mood words.
Run one strong version first, then iterate only the parts you want to change.

Prompt

Generate a photo based on text: A grand Apple launch event venue, many audience members, dark scene, dazzling lights, lens focused on very wide screen, curved screen, text and screen have some perspective, very small human silhouette standing on stage, purple to blue gradient background, white text with some gradient, looks like actual live shot, high-end feel 16:9