I like "Memories" by F-777 from Newgrounds
"Once More" by F-777
"Paradise on E" by BOUNC3
"The Hell Song" by Sum41
And I can't quite remember where I got this from but I read this study saying that the genre of music affects your mood and attitude O_O. I guess that's why I was pretty depressed a few months ago xD. Condescending thoughts and negativity caused by *looks around* the eee...mmm....oooo... D:. So I tapped into techno and lighter tunes, which is working quite well I should say :D. I'd say the mainstream artists nowadays are pretty gimmicky; they buy into human fears, vices, and hatred O_O. Not all of them though. Sorry for digressing xD it's the low level of sugar tolerance I have.
In Bloom by Nirvana
Come with Me by Special D
Better Off Alone by Alice Deejay