Answer:
René Pérez Joglar and Eduardo José Cabra Martínez, the two composers of Calle 13, have a strong social and political message in their music. They often speak out about issues such as poverty, social inequality, and political corruption. Their music is known for its fusion of different genres, including reggaeton, hip-hop, and salsa, and their lyrics often incorporate elements of satire and humor. They have won multiple Latin Grammy Awards and are considered to be one of the most influential Latin American musical groups of the past decade.