Conversations of a small crowd of aliens:
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The drone and the silence of an alien device
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Spaceship flies by, laser gun shot
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Shot, Charging a laser weapon
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Low frequency drone, Spaceship in flight
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Spacecraft engine noise
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Charging a laser gun, shot
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Take-off of two spaceships
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Jetpack, launch, move
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Doorbell, spacecraft signal
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Start, work, stop, Alien device
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Conversations of a small crowd of aliens
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Time travel, Cosmic sounds, black hole
★★★★★