Ключевые слова: address, announce, announcement, bluesky, broadcast, calling, clouds, column, commentate, information, loud, loudspeaker, masts, megaphone, music, noise, open, outdoor, pa, posts, public, race, relay, shout, showgrounds, sky, soccer, sound, soundsystem, speaker, sports, stadion, stadium, system, tannoy, trumpets, voice, wm,