Blues is a tonality. Blues is poetic expression with its own unique form. It uses poetic devices such as metaphors, similes, and symbols. Blues is a story. Blues is a narrative art form that tells a story, usually, though not always, in chronological sequence.
Blues is a genre.
Think of the story, the poetry, the form, the emotion, the truth, and craft your own composition. The text should be typewritten and you may choose to add your own music by recording it on tape.