At the end of 2015, Gaga released the single "Til It Happens to You", co-written with songwriter Diane Warren (who has written songs for Céline Dion, Cher, and Aerosmith, among others) for the documentary "The Hunting Ground", which documents sexual abuse on college campuses. The song was nominated for a Grammy Award for Best Song Written for Visual Media, along with an Academy Award for Best Original Song. She performed the song at the 2016 Academy Awards with 50 sexual assault survivors.