The only condition for free use is a credit line. Personal YouTube videos and streams are free even if monetized (promoting a company or paid client work needs a license).
Fireworks, a classic symbol of summer. The sound of a rapid volley of fireworks being launched. Perfect for a traditional summer festival scene, and also works well in anime and games. If you're looking for a single firework launch sound effect, check out Fireworks 1 – Single Launch.
