Rap artists often structure their vocal rhythms to support the pre-existing musical beat, rather than the other way around.

Unlike traditional Western classical music where the music is written to accompany a text, the creative process in rap is often reversed. Music scholars note that the underlying beat is usually composed first. The rapper then crafts their lyrics to fit this foundation. By studying artists like A Tribe Called Quest and OutKast, researchers found that rappers intentionally integrate the rhythms, groupings, and musical motifs of the beat directly into the rhythm of their spoken words. This deep connection between voice and beat is what defines a rapper's unique flow.