He specializes in the history, literatures and cultures of Colombia, specifically Afro-Colombian literatures and cultures. In his recently published book, Afro-Colombian Hip-Hop: Globalization, Transcultural Music, and Ethnic Identities (2011), he explores how Afro-Colombian hip-hop artists rework ethnic identity while using hip-hop and digital media as tools for carrying their perspectives, histories, and expressive forms to national and international audiences.