This kind of news makes the world stop. All 27 girls missing in the July 4 floods at Camp Mystic in Kerr County, Texas, are now confirmed dead. Early this morning, rescuers found the last bodies in the Guadalupe River. The hope that families had clung to has been shattered. Across Texas, more than 104 people have died in one of the worst disasters the state has ever seen. Grief is everywhere. But amid the grief, a voice rings out — not from the stage, but from the heart. Simon Cowell, the 65-year-old Hollywood star, donated $1 million to help the families of the victims and first responders. Then he disappeared into a small recording studio near Austin. No band. No big production. Just his grief, a guitar, and a song. A raw, soulful ballad that sounds like could have cried. It wasn’t polished, but it was real. And for many, it was the only thing that could say what no one else could…