Question: 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?
Sentence (from "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.
Relevant evidence: Yes