>op>kid cudi>kid cudi againwhat the forgetgo listen to gary jules - mad worldor any pink floyd song
hip-hop/rap-ish.
not classic rock (but pink floyd is great for those moods)
Listen to The Wall. Any other Pink Floyd albums don't really depress me, The Wall is the only one I find to be sad.
http://www.youtube.com/watch?v=grPfVlj7Go4&feature=relatedhttp://www.youtube.com/watch?v=ajaxQYNonyg
Judging by those songs, you might like Mr. Rager by Kid Cudi.