When I'm really happy, the pretty music plays in my head, and when I'm sad, even prettier music plays. I suppose you can see my dilemma here. Happy's better than sad, but I do love the pretty music, and the prettier, the better.
When I was a kid, I always played the slow songs, the sad ones, only to fill the gaps between the real rockers. I always tried to make song lists with only one or two slow ones in a set.
Nowadays, I don't play much. When I do, there aren't enough rockers to go 'round. Slow ones, sad ones? I got a million of 'em.