He was a choirmaster and the composer of many religious and non-religious works. Perotin is an eminent representative of the Ancient Art. He had become famous as "Perotin the Great" because of polyphonic compositions. Perotin composed organum and developed the styles of three and four-part polyphony. Originally in Latin, Organum means organ therefore the polyphonic quality of Organum can be considered as an organic concept. Perotin passed away in 1240.