Skyclad,
"A clown of thorns" /
"Building a ruin"
("A clown..." is some kind of intro and "Building..." is the song)
https://www.youtube.com/watch?v=y3YXTAovqZs
This one is in Spanish, for those who can understand the language, here it is:
La Oreja de Van Gogh,
"Jueves" - a sad and touching song about terrorist attacks in Madrid, Spain, on March 11th, 2004.
https://www.youtube.com/watch?v=GIF8rtso3ig