These are reflections on the practice of music and literature, in particular what slam, rap and poetry can bring to human societies. Here, we present a theoretical analysis of slam and rap and their poetic, cultural and social implications. An analysis highlighting the analogy between rap, slam and poetry in the light of the philosophy of ordinary language in artistic creations. Musical art appears to be an exercise in style that is interwoven with poetry. Rap and slam, at their most expressive, are seen as the requisitioning of a language determined by their use, inscribed in a very particular social context, and their poetic development. Whether in their depth of meaning or their aesthetic value, rap, slam and poetry are sister arts whose mother is literature.