Fireflies don't actually make a sound — that's the trick. What film and game scenes need when a swarm drifts through a clearing isn't an honest recording, it's the imagined sound: a faint shimmery air movement, the suggestion of tiny wings, a hint of magic that the eye supplies once the ear is primed. This 4 track was built exactly for that gap, a delicate high-frequency shimmer that sits under a dusk shot without competing with crickets or wind.
Fantasy editors layer it under a candle-lit forest pan to push the scene from realistic into slightly enchanted. Nature relaxation videos use it under macro insect footage as a textural seasoning rather than a literal foley pass. Game ambient designers loop it into night biomes where bioluminescent particles drift past the player. The clip is a free download, no attribution required, ready to drop straight onto your timeline.