Tutorial on using Gemini Nano Banana to achieve realistic scene compositing and music overlay.

{
    "promptDetails": {
        "description": "A prompt to *create a new scene* by placing a subject (based on a reference photo) into a new atmospheric background, then overlaying a music UI.",
        "styleTags": [
            "Aesthetic Edit",
            "Cinematic",
            "Scene Compositing",
            "Glassmorphism"
        ]
    },
    "subjectReference": {
        "source": "[UPLOADED IMAGE]",
        "description": "Use this image *only* as a reference for the subject's face, hair, and appearance. Do *not* use its original background."
    },
    "scene": {
        "background": {
            "setting": "the window on the bus is sad, troubled, sorrowful",
            "details": "This is the *new* environment the subject must be placed into, completely replacing the original background."
        },
        "subject": {
            "description": "The young man whose appearance

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