Co-commissioned by the Scottish BBC and the Seattle Symphony, 2020.

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Gravity locks the Moon, forcing one of its faces to be oriented towards Earth. Selenites inhabiting the lunar equator would see the globe fixed at the zenith, slowly changing its phases as the synodic cycle progresses. The Earth's phases are complementary to the Moon's; if the planet wanes, the satellite waxes; if one is full, the other is absent. When the Earth's shadow is projected onto the Moon, the lunarians witness a solar eclipse, while earthlings perceive a lunar one.

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At the moment of totality, the solar rays pass through the Earth's atmosphere, enveloping the Moon in a somber reddish glow, which the selenites perceive as a fiery ring encompassing the darkened planet. This annular twilight is the sum of every sunrise and sunset on the blue horizon, where earthlings located in the penumbra witness, rising at dawn or setting at dusk, the Moon eclipsed by the fervent shadow of the Earth.

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First movement

Second movement

Third movement

Fourth movement