For a tribute to those who have been affected by gun violence, a massive lineup of Broadway stars assembled onstage at the Democratic National Convention on Wednesday night to sing “What the World Needs Now Is Love.†Gun-based violence and legislation has been a major topic on the third night of the DNC, with Gabby Giffords, Angela Bassett, Lee Daniels, and survivors of the Pulse nightclub shooting all speaking during the broadcast. More than 40 performers — including Kristen Bell, Idina Menzel, Audra McDonald, Debra Messing, Rosie Perez, Darren Criss, and Richard Kind — participated in the performance, and many in the crowd stood up and held hands as they sang along. Proceeds from sales of the song will go toward the LGBT Center of Central Florida.