Polyeleos

Πολυέλεοι), meaning "of much mercy", because of the repetition in one of the Polyeleoi of the phrase "ὅτι εἰς τὸν αἰῶνα τὸ ἔλεος αὐτοῦ" (hoti eis ton aiōna to eleos autou), meaning "because forever [lasts] His mercy"), Specifically, the Polyeleos consists of Psalms 134 and 135 (Septuagint numbering; King James Version: Psalms 135 and 136), which are solemnly chanted in a festive melody, with refrains Alleluia chanted between each verse.

[1] During the chanting, Holy Doors are opened, and the clergy come out of the sanctuary to stand in front of the icon of the feast, which lies on an analogion in the center of the nave.

[2] In a wider sense, the term Polyeleos refers to an entire section of the Matins service which falls after the readings from the psalter and before the chanting of the canon.

[4] (On weekdays, the Polyeleos takes place in the center of the church with the clergy standing around the icon of the feast.

It is in the form of a very large circle (also called a corona or horos) with many candles on it, and is often adorned with icons of numerous saints.

During the chanting of the Polyeleos psalms (134 and 135), all of the candles are lit and it is pushed with a rod so that it turns back and forth during the singing to symbolize the presence of the angels which will only add to the joy of the service.