It's the opening theme from Stalingrad 1993
(the better film)
『Soundfont』~ 4U-Mellow Chateau Grand
https://sites.google.com/site/soundfonts4u/
『Visualizer』~ Piano VFX
https://www.piano-vfx.com
『Sheet Music』
https://musescore.com/user/3266066/scores/6403663
