Theary Seng represented Cambodia at the P-8 Rock Concert in Rostock, Germany, which was organized to coincide with the G-8 summit and highlight the plight of the world's poor. In her speech to 80,000 people, she outlined several causes of poverty in Cambodia, including lack of education, war, corruption, environmental destruction, and landlessness. She urged the G-8 leaders to be more mindful of the less fortunate and called poverty the worst form of violence.