Theia Leitourgia is the Greek name for the Divine Liturgy, the central Eucharistic service of the Eastern Orthodox Church, celebrated every Sunday and feast day. Its hymns are sung in Byzantine chant, a vocal tradition dating back to the early centuries of Christianity. This 12-second clip appears to be an excerpt of such a service recording, though the exact choir, parish or year is not documented. Clips of Orthodox chant circulate online in religious compilations and are occasionally repurposed in memes and edits for their solemn, timeless atmosphere.