When Sobeich found out her son Zach had only one year to live, she released him to God's will. When his mother told him to think about writing good-bye letters to family and friends, he decided instead to write songs. One of them, "Clouds," captured hearts and changed not one life but millions. This isn't a cancer story, it's about how God used a dying boy from a small town in Minnesota to touch the hearts of millions across the globe.