聖金口イオアン聖体礼儀
Tavener converted to the Russian Orthodox Church in 1977. Orthodox theology and liturgical traditions became a major influence on his work. He was particularly drawn to its mysticism, studying and setting to music the writings of Church Fathers and completing a setting of the Divine Liturgy of St. John Chrysostom, the principal eucharistic liturgy of the Orthodox Church: this was Tavener's first directly Orthodox-inspired music.