: Shoot near large windows covered by sheer white curtains. If you are outdoors, film during the "golden hour"—the hour just after sunrise or just before sunset—to get a warm, glowing atmosphere. Avoid direct midday sun, which creates harsh shadows.
Use a cheerful but gentle Background Music (BGM). If the original birthday song is too fast, slow down the audio speed to fit more dreamlike clips into the montage. baby doll dreamlike birthday video better