But when you get to a song, not only do you have to do a vocal melody, you have to write words and not be redundant and make some semblance of a story.
American literature has never been content to be just one among the many literatures of the Western World. It has always aspired to be the literature not only of a new continent but of a New World.
Even if you walk exactly the same route each time - as with a sonnet - the events along the route cannot be imagined to be the same from day to day, as the poet's health, sight, his anticipations, moods, fears, thoughts cannot be the same.