A 17th Century painting by Sebastiano Ricci of Pope Gregory I (also known as Saint Gregory the Great) who was pontiff from AD590 to AD604. He was the 64th pope. It was he who introduced the plainchant singing known as Gregorian Chant.

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Size: 1516px × 3000px
Photo credit: © CBW / Alamy / Afripics
License: Licensed
Model Released: No

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