Video (01:03) : 7,200 people, including Zach Sobiech's family, sang his hit song "Clouds" at the Mall Of America on Thursday night.
The Mall of America is used to crowds. But it got that and more with an emotional singalong Thursday night when 7,200 people joined in chorus for the second "Clouds" Choir for a Cause, which paid tribute to Zach Sobiech.
Sobiech died last year after a four-year fight against osteosarcoma, a rare form of bone cancer. In his last months, the 18-year-old Lakeland teen turned to his guitar and wrote songs to say goodbye to those he loved.
The music video for his song "Clouds" has more than 11 million views on YouTube.
The "Clouds" Choir for a Cause was part of the KS95 Kids Radiothon, a two-day event to raise money for the Children's Cancer Research Fund and Gillette Children's Specialty Healthcare. The event consisted of school choirs, church choirs, and other groups singing "Clouds" followed by holiday carols.
Last year, attendance for the event was 5,000.
Sobiech first shared his music on behalf of the Children's Cancer Research Fund at the 2012 KS95 for Kids Radiothon.
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