<P> The Muses are the inspirational goddesses of literature, science, and the arts in Greek mythology . They were considered the source of the knowledge embodied in the poetry, lyric songs, and myths that were related orally for centuries in these ancient cultures . They were later adopted by the Romans as a part of their pantheon . </P> <P> In current English usage, "muse" can refer in general to a person who inspires an artist, musician, or writer . </P>

Who are the muses and what are their roles