Nicolaus Copernicus surviving primary documents on the early years of Copernicus's childhood and education. Copernicus biographers assume that Watzenrode first sent young Copernicus to St. John's School, at Toruń, where he himself had been a master. Later, according to Armitage, the boy attended the Cathedral School at Włocławek, up the Vistula River from Toruń, which prepared pupils for entrance to the University of Kraków, Watzenrode's alma mater in Poland's capital. In the winter semester of 1491–92 Copernicus, as "Nicolaus Nicolai de Thuronia", matriculated together with his brother Andrew at the University of Kraków (now Jagiellonian University). Copernicus began his studies in the
Renaissance music during the Renaissance. These can be heard on recordings made in the 20th and 21st century, including masses, motets, madrigals, chansons, accompanied songs, instrumental dances, and many others. Beginning in the late 20th century, numerous early music ensembles were formed. Early music ensembles specializing in music of the Renaissance era give concert tours and make recordings, using modern reproductions of historical instruments and using singing and performing styles which musicologists believe were used during the era. One of the most pronounced features of early Renaissance European art music was the increasing reliance on the interval of the third and its