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[[Image:Andrewofcrete.jpg|right|thumb|200px|St. Andrew of Crete]]
The '''Great Canon of St. Andrew of Crete''' is a lengthy penitential [[canon]] composed in the seventh century, which is sung during [[Great Lent]].
==Structure and composition==
The Great Canon consists of four parts, each divided into nine odes like a regular [[canon]]. However, there are slight differences between the odes of the two compositions. In the Great Canon, there is a greater number of [[troparia]]. At the refrain "Have mercy on me, O God, have mercy on me," a full [[prostration]] is performed. Also, some of the odes have additional refrains and troparia to the author of the canon, St. [[Andrew of Crete]], or St. [[Mary of Egypt]], one of the greatest models of [[repentance]] in Christian history.
[[Image:Zosimas and Mary of Egypt.jpg|right|frame|Sts. Zosima and Mary of Egypt]]