• Share
  • Tweet
  • Share

Sia is using her voice to make sure a tragedy in Orlando will not be forgotten.

Less than three months after 49 people were killed in a mass shooting at Pulse Nightclub, the Grammy nominee is releasing an emotional music video for "The Greatest" that symbolizes the power of unity.

In the video that clocks in at almost six minutes, Maddie Ziegler starts out by painting a rainbow on her face and encouraging 49 talented kids to break free from a prison cell.

Soon after, the children show off their impressive dance moves along with a few unforgettable facial expressions. Throughout the video, Maddie also swaps her signature blond hair for a black wig to set a powerful mood.

Despite the brief happiness, however, the video comes to an emotional end as the kids become tired and Maddie begins crying rainbow tears.

"Humbled to be a part of this video. Thank you @siathisisacting," dancer Matt Moseley shared on Instagram after the video was released. "49 beautiful lives lost. This is for you.  #WeAreYourChildren."

Fellow participant Larsen Thompson added, "Blessed to [be] part of this amazing message."

Although Kendrick Lamar's verse is not included in the music video, the rapper has a prominent part in the original song that can be streamed online. The song also comes before Sia hits the road for her first full-scale tour in five years.

The 22-city trek will kick off September 29 in Seattle and conclude Nov. 6 in Austin, Texas. Find out if she's coming to your neighborhood by clicking here

To donate to the onePulse Foundation text "PULSE" to 91999.