The latest "From the Vault" - the fifth and final movement of Bach's Partita No. 2, the Ciaccona (Chaconne)! It is speculated that Bach composed it following his wife's death. Composer Johannes Brahms wrote in a letter to Clara Schumann of the work: "On one stave, for a small instrument, the man writes a whole world of the deepest thoughts and most powerful feelings."
Available to watch on Facebook.