Guitar icon Slash was talked Classic Rock Magazine about the rock songs and that process the writing song. Also he mention about what your main goal should be when writing a rock song.
“A great rock song should take you somewhere. It should put you in a mood. One of my favorite sayings at one point was, it should make you want to either fuck or fight.
It should have some emotional impact on you. And it should be played at high volume, and it should be, you know, rock ‘n’ roll. It should be fun and bring out something in you that wasn’t on the surface before you listened to it.“
Don’t forget this: Fight or fuck or either… That’s great. You can click here for read the all interview.