Arthur Hartmann (1881-1956), a celebrated violinist who performed over a thousand recitals throughout Europe and the United States, met Claude Debussy in 1908, after he had transcribed 'Il pleure dans mon coeur' for violin and piano. Their relationship developed into friendship, and in February 1914 Debussy accompanied Hartmann in a performance of three of Hartmann's transcriptions of Debussy's works. The two friends saw each other for the last time on the composer's birthday, 22 August 1914, shortly before Hartmann and his family fled Europe to escape the Great War. With the publication of...