Tomorrow is going to be a big day for the dance community.
And a heartbreaking day.
Tomorrow is the release of Avicii's posthumous album "TIM".
You'll be able to hear the premiere of the entire album at 11a ET on iHeartRadio's Evolution.
But 6 cubes were placed around the world that gave people the chance to hear the album before its release.
According to the YouTube video:
The music started when two cubes activated at the same time. This meant that strangers thousands of miles apart listened to a song together.