De revolutionibus orbium coelestium
Symphony No. 2, the "Copernican," Op. 31 "(II Symfonia "Kopernikowska")" () is a choral symphony composed by Henryk Górecki in 1972 to celebrate the 500th anniversary of the birth of astronomer Nicolaus Copernicus. Composed in a monumental style for solo soprano, baritone, choir and orchestra, it features text from Psalms no. 145, 6 and 135, along with an excerpt from Copernicus' book "De revolutionibus orbium coelestium".