Year 1905. People around a table. Death symbolically picks up the string playing.
Hermann Bahr (1863-1934)Gustav Mahler (1860-1911) (middle), Arnold Schoenberg (1874-1951) (sitting). 
Maybe after 1905 Concert Vienna 03-02-1905 - Des Knaben Wunderhorn, Kindertotenlieder, Ruckert-Lieder.
Charcoal, wood panel, drawing unsigned and undated. Musee de la ville, Paris.
Related to Symphony No. 6.
Also suggested 04-12-1904 (Year 1904).