It was his first song , `` Clouds . '' Zach was diagnosed at dozens with osteosarcoma , a bone cancer . a year , Zach was given Last May to live after doctors ran out of treatment options . Zach 's song `` Clouds went viral on YouTube ; now celebs have posted a response .
Zach was diagnosed at dozens with osteosarcoma , a bone cancer . a year , Zach was given Last May to live after doctors ran out of treatment options . Zach 's song `` Clouds went viral on YouTube ; now celebs have posted a response .