A garden in the morning, and the senses have already swapped jobs: light is something you hear. The first stanza calls it "music for the smallest / organ in the world," and the phrase works in two directions. An organ is an instrument, but it is also a part of the body. The poem never says which it means, yet the closing words "theater of the ear" point back toward the second reading. Anatomy even has a structure in the inner ear called the organ of Corti, which is tempting to hear as an echo here, though the poem doesn't need it. What matters is the scale. Whatever receives this music is tiny, and the poem treats its smallness as a form of delicacy rather than weakness.
The shape is spare. Four stanzas run three lines, two, two, three, a symmetry that lets the middle pair act as a hinge. There is no rhyme and no punctuation, and every line begins in lowercase, so the poem seems to be thinking aloud rather than announcing conclusions. The line breaks do quiet work. "Light as music for the smallest" ends on an adjective that still lacks its noun, so "organ" arrives a beat late, like something small coming into view. The rhythm is uneven and close to speech, and the soft sounds of "morning," "music" and "smallest" give the opening a hush that the later stanzas test.
That test begins with "the people are shut out / like a common tune." The simile is odd, and the oddness is useful. A common tune is the kind everyone knows and hums without listening. Perhaps the speaker's private space excludes people the way a discerning ear excludes background noise. Or perhaps the people themselves are "common," ordinary and interchangeable. Either way, privacy here is defined by what it keeps out, and the tone is a little cool, even snobbish. The word "private" in the title starts to feel like a locked door.
The third stanza turns on that feeling. "How unhappy we will be / in the most perfect heaven" is the only place the poem says "we," and the speaker suddenly includes the reader. The future tense makes it sound like a prediction, and "most perfect" is so extreme it is almost comic. Judging by the surrounding stanzas, this heaven is the sealed, filtered paradise the second stanza was drifting toward, a place with the people and the common tunes removed. The poem's claim is that such perfection would make us miserable. The pleasure of the garden depends on its not being sealed off.
The last stanza answers, though only in the form of a fragment: "to give way to every creature / in what would be a theater / of the ear." There is no main verb, so the sentence hangs open, as if completing the thought of the previous stanza ("how unhappy we will be... to give way") or answering an unspoken question about what to do instead. "Give way" means to yield, to step aside and make room, and "every creature" is generous in its reach. It takes in the bird and the beetle, and perhaps the people too, now that they are no longer "shut out" as a crowd. "Would be" keeps the vision conditional. This theater is something to practise, not a place already reached. A theater also needs an audience, so the ear is both the stage and the seat, and listening becomes a kind of hospitality.
What makes the poem worth reading is how much argument it fits into so few words. It begins by treating privacy as exclusion and ends by treating it as openness, without ever lecturing. The movement from "shut out" to "give way" is the whole story. It suggests that a truly private space is one where attention is wide enough to admit the world, rather than one that keeps the world at a distance. For a reader used to poems that explain themselves, the restraint is the lesson. A single image of a tiny organ hearing the morning light carries a whole idea about what a good life, or a good heaven, might sound like.