The comparative form of somber is somberer.
You seem so somber; is something wrong?
Gloomy, sad, morose.
Somber could simply be translated as sombre ("soh[n]br"), which literally means dark but by extension can also mean solemn, somber, etc.
The word demonstrate is a verb. The past tense is demonstrated.
I was moved by the somber melody.
Here are at least 8 terms: brunet, dismal, dreary, gloomy, somber, lowery, sullen, darker
The base word for "demonstration" is "demonstrate."
demo
to show
The word demonstrate is a verb. The past tense is demonstrated.
Somber Eyes to the Sky was created in 1997.