SM STATION collaborate for the new Trolls movie which is expected for release in 2020. SM Entertainment says “Trolls’ OST album “DreamWorks Trolls X SM STATION” is now out” and the song is entitled “Hair In The Air (Trolls: The Beat Goes On Theme)” and it is sung by Yeri of Red Velvet, along with Renjun, Jaemin and Jeno of…