“About three years ago, I had a need to focus inward because I was starting to doubt my own voice a little bit,” violinist Johnny Gandelsman says of his decision to record Bach’s Sonatas and Partitas for the first time. “And I needed a challenge for myself.” Strings had a chance to listen in person when Gandelsman stopped by our studio to record Bach’s Violin Partita No. 2 in D minor.