Hildegard von Bingen was alive from 1098-1179. She was donated to a church because her parents could not feed her. She was the head of a group of nuns.
Michael Praetorius was a composer who was born in the late 16th century. He was the son of a luthern pastor. He composd for th lutheran church. After the death of his brother he became an organist. In his life time he wrote over 1200 tunes.
The chant by Hildegard von Bingen is very moving it was meant to be sung in a church and only one person is supposed to sing this song. It is monotonus. The songs purpose is to be holy and help people get closer to god. Micheals song is played by many instruments. It is also supposed to be played in a church but this one is much more lively.