Practicing J.S. Bach Sarabande, BWV 816: In a Sea of Ornaments, first explore an unadorned melody

As I revisited J.S. Bach's memorable Sarabande movement from his French Suite No. 5, BWV 816, I stared at an Urtext score laden with ornaments of infinite variety --trills, mordents, parentheses showing upper and lower accents, loops on trills in opposite directions, etc. and to complicate matters, I was expected, by tradition, to improvise each…