During which service is the canticle upon which Bach's cantata Meine Seel erhebt den Herren, BWV 10 is based traditionally included in the Eastern Orthodox church?
Meine Seel erhebt den Herren, BWV 10: In 1724 Johann Sebastian Bach composed the church cantata Meine Seel erhebt den Herren, BWV 10, as part of his second cantata cycle. Meine Seel erhebt den Herren, BWV 10:  Taken from Martin Luther's German translation of the Magnificat canticle ("Meine Seele erhebt den Herren"), the title translates as "My soul magnifies the Lord". Magnificat: The Magnificat (Latin: [My soul] magnifies [the Lord] ) is a canticle, also known as the Song of Mary, the Canticle of Mary, and, in the Byzantine tradition, the Ode of the Theotokos (Greek: Ἡ ᾨδὴ τῆς Θεοτόκου ). Magnificat:  It is traditionally incorporated into the liturgical services of the Catholic Church (at vespers) and of the Eastern Orthodox churches (at the morning services).
morning services