One of the pieces of music you studied was Requiem in D minor, K. 626, written by Wolfgang Amadeus Mozart. It is considered an intense piece of music because: A) it is very long and very loud
B) it has complex rhythms
C) it has complex melodies
D) all of the above
it is D. all of the above. if you listen to the song it is verry loud after a few second, the song is about 40 mins or so, if you look at the sheet music it is very complex.