"Clouds" is a song by American singer-songwriter Zach Sobiech. It was his debut and only single released as a solo artist, released digitally on December 14, 2012, and later included on his debut EP, Fix Me Up (released under his band name, A Firm Handshake). Proceeds from the sale of "Clouds" go to the Zach Sobiech Osteosarcoma Fund, which is a branch of the Children's Cancer Research Fund. In the United States, "Clouds" sold 25,000 units before Sobiech's passing, and an additional 30,000 units on his death date. In total, he had sold 156,000 copies of "Clouds" upon his Hot 100 entry, and has since accumulated 20 million views on YouTube. The single charted in the US, the UK, Canada, France and Belgium.
At age 14, Sobiech was diagnosed with osteosarcoma, a bone cancer that mostly affects children. In May 2012, Sobiech's doctors informed him that he had up to a year to live. Sobiech recorded the song "Clouds" about his battle with cancer.