TEEN
05/24/2013 06:00 pm ET

Zach Sobiech 'Clouds' And Pixar's 'Up' Mashed Together In Perfect, Touching Tribute (VIDEO)

We can't think of a more perfect way to showcase Zach Sobiech's beautiful song, "Clouds," than this YouTube tribute. Uploaded by author Amy Krouse Rosenthal, the video combines clips from Pixar's 2009 movie "Up" with the 18-year-old's viral song that touched the lives of millions. Sobiech passed away on Monday from a rare form of bone cancer.

Rainn Wilson's YouTube channel, SoulPancake, made a short film about the teen's life, "My Last Days: Meet Zach Sobiech," which has been widely shared this week. If you haven't had the chance to watch the heartbreaking and incredibly moving documentary, you can do so here.

Zach Sobiech left the world an unforgettable legacy. You can watch more of his videos in the slideshow below.

Zach Sobiech

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