#2
Wow... uh, it depends pn the song. Different songs are based over different chords. One is just as likely to appear as the next
#3
Correct,

It largely depends on the song. Is harmonic metal a genre? Never heard of it. Melodic metal sounds familiar though.
#4
Quote by Alienguitar
Correct,

It largely depends on the song. Is harmonic metal a genre? Never heard of it. Melodic metal sounds familiar though.


I think by melodic he means melodeath?

And sorry I can't help, I just wanted to see if anyone had any answers.