The thing for me, though, is that I have whole lists of songs that I listen to for certain emotions. So, I guess I'll just mention the recent ones.
Happy -
"BRAINS!" by Voltaire
"The Dirt Whispered" Rise Against
"Airship Pirate" by Abney Park
Sad -
"Kiss Me Goodbye" by Angela Aki
"Beautiful Loser" by William Control
"Teardrops on My Guitar" Taylor Swift (I'm almost ashamed to say it, but I can't sing along to this song without crying.)
Lost -
"Remembering Sunday" by All Time Low
"Sally's Song" by Amy Lee
"Marry Me" by Emilie Autumn
"Marilyn, My Bitterness" by Cruxshadows
Makes me want to direct a musical -
"The Greatest Show Unearthed" by Creature Feature
Anxious -
"Annabel Lee (Spoken)" by Cruxshadows (there's music in the background....)
Lonely -
"I Feel Perfect" by Porcelain and the Tramps
"Luv Luv Luv" by Pansy Division