The emotional and groundbreaking #NEW video by Sia for "The Greatest" is dedicated to the lives lost in Orlando and it is truly incredible. Sia is a true ARTIST. She knows how to write music and display art that has true meaning and heart. This video is no exception, with 48 dancers representing the lives lost, Sia portrays every emotion that has been felt over such a huge loss in the LGBT community and the world as a whole. This is a real masterpiece.Check it out below!