A universe harmonious as a harp.
Rhythm is repeated equal times.
Heartbeat.
Day/night.
Migrant birds' arrivals and departures.
Star cycles and maize cycles.
Mimosa opening during the day
and folding when night comes.
Moon and tide rhythms.
And crabs who know the tide is on the ebb
and before it goes out have their hiding holes.
A single rhythm in planets, the sea, atoms, apples
which ripen and fall, and Newton's head.
Melody, arpeggio, chord.
The harp of the universe.
that is music.
Difference between music and noise...
The bell's sound is in its form.
Or girls' legs, come to that.
Matter is music.
Matter in perpetual motion in space and time.
Rhythmical are hearts and stars.
The universe sings and Pythagoras heard it.
The music of the spheres,
rather than classical music, jazz.

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from The Music of the Spheres by Ernesto Cardenal.