This collection of Bach Cello pieces by Janos Starker is so dark for me that I can't listen unless I'm in the right state of mind, but man is it moving and beautiful.
https://store.acousticsounds.com/d/140354/Janos_Starker-Bach_Suites_For_Unaccompanied_Cello_Complete...
If you like rock music, Wilco makes some great somber music. A Ghost Is Born stands out, as well as Yankee Hotel Foxtrot.
https://store.acousticsounds.com/d/140354/Janos_Starker-Bach_Suites_For_Unaccompanied_Cello_Complete...
If you like rock music, Wilco makes some great somber music. A Ghost Is Born stands out, as well as Yankee Hotel Foxtrot.