This chapter explores youth musical subcultures in Naples during the 1990s, focusing on the politically engaged work of 99 Posse and Almamegretta. Emerging from the centri sociali and the broader posse movement, these groups fused global genres—rap, dub, reggae—with local traditions such as tammurriata and Neapolitan dialect to articulate resistance, identity, and marginality. Their music operates as a site of cultural negotiation, challenging dominant narratives and offering alternative frameworks for understanding urban life. Through lyrical analysis, performance ethnography, and audience reception, the chapter examines how these artists construct hybrid soundscapes that reflect a fractal logic of cultural production—where local and global, past and present, tradition and innovation recursively interweave. The chapter also considers how these musical texts function as acts of cultural memory and political dissent, reshaping notions of identity and belonging in the context of globalization.