Philosopher and conceptual artist Jonathon Keats engineers monumental-scale clocks that run on “river time” or “arboreal time” to un-standardize our atomic time. He says we need to make time more pluralistic, to envision a kind of chrono-diversity.

Acoustic ecologist and sound artist Alex Braidwood has recorded many dawn choruses, from first-light to full sunrise, in his Iowa backyard and all over the world. On his album, “Serotinous Repose,” he turns the dawn chorus into music.