And at concert venues, they often use smoke, lights, paper, or some stage installations. <br>When they sing songs, they use brilliant lights to match them. <br>Sometimes it's a flame effect.<br>When the lyrical song, it's smoky and soft lights.<br>When the last song is, there's a lot of paper to end.<br>And sometimes it's time to use some lifting devices to increase the richness of the stage.
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