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I was responding to a comment, and I thought the questions involved might interest other poets and artists, so I'm posting my response here. Feel free to share your thoughts.
Hi Silver Moon,
You're right to choose whatever name you want. And a poet should write about the moon, if that's what the poem requires.
What makes Brehm's poem so complex is its commentary on this very topic. He has begun this perfectly lovely poem involving the moon, but he is distracted by a critical voice that tells him he can't write about the moon. It's not only a statement about trying to avoid cliche, but an illustration of how that persistent, critical voice--worrying about how our art will be judged--affects the art itself.
How do we find that balance, as poets--writing what we need to write, what we are compelled to write, but trying to create quality, literary work, which requires learning what works and what doesn't, evaluating the work that precedes our own, but not surrending our own voice to it--etc., etc., etc. I find it's best to think about it a little, but not too much. The best way is to keep writing, do workshops, and read a lot of poetry.