full concert premiere at London International Festival of Early Music (November 2019). Dave Soldier, American composer, wrote Motet: Harmony of the World (2022), closely hewing to Kepler's instructions in the book for a future composer to write a motet, including the use a specific 6 voice choir (recorded by the microtonal choir, Ekmeles), the particular just intonation intervals, and the harmonies allowed in Kepler's diagrams. The text sets the Prayer to the Sun by Proclus in ancient Greek, a poet heavily quoted in Kepler's text. See also Pythagoreanism Musica universalis Mysterium Cosmographicum References Further reading Johannes Kepler, The Harmony of the World. Tr. Charles Glenn Wallis. Chicago: Encyclopædia Britannica, 1952. "Johannes Kepler," in The New Grove Dictionary of Music and Musicians. Ed. Stanley Sadie. 20 vol. London, Macmillan Publishers, 1980. . External links Harmonice mundi ("The Harmony of the Worlds") in fulltext facsimile; Carnegie-Mellon University Harmonice Mundi at Archive.org Harmonies of the World excerpt from translated by Charles Glenn Wallis 17th-century Latin books Harmonice Mundi 1619 in science Astronomy books Astrological texts Physics books Pythagorean philosophy Astrological aspects Platonic solids Mathematics books Dynamics of the Solar System Harmony Works by Johannes Kepler Music in space