Question: The Symphony No. 6 in B minor was first performed in Moscow on 4/16 December, conducted by  Russian pianist, teacher, conductor and composer also known as who?
Sentence (from "Overture in the French style, BWV 831"): The key sequence continues into "Clavier-Übung II" (1735) with two larger works: the Italian Concerto, a seventh down (E to F), and the French Overture, an augmented fourth up (F to B♮ ).
Relevant evidence: No