UE4 Particle Effects Demo (Cave Demo)

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Hello,

anyone of you guys know the title which is played in the Background?
Who has created it and what´s the tiltle called?
Would be nice if you can help me.

https://docs.unrealengine.com/latest/INT/Resources/Showcases/Effects/index.html?utm_source=launcher&utm_medium=ue&utm_campaign=uelearn

Cave Demo: Particle Effects: https://www.youtube.com/watch?v=o6OeJvpb68A

Thanks a lot.