Ключевые слова: abstract background, air, audience, backdrop, background, blue, blurred, bokeh, cheer, cheerful, concept, concert, concert crowd, crowd, defocused, electronic, excitement, fan, festival audience, freedom, fun, happy, illuminated, lifestyle, light, loud, music, nightlife, open, open air, party people, people, popular music, projector, rock, silhouette, stage lighting, stage lights, summer festival, waving,