A lot of my lists are fandom related, but you asked, so here goes. XD
Ahead of the Curve: Music from/that makes me think of the film "The Dark Knight"
Angelboy: Music for/that makes me think of my late brother.
Beautiful Dreamer: List of about 1000 songs that I sleep to. (I really need to update this one.)
Beatles Blowout: All my Beatles songs, plus any covers I happen to have (like in the soundtracks for Across the Universe, I Am Sam, etc.)
Criminal Record: Music based on celebrity or general crime (I.E., I Don't Like Mondays, One More Murder, etc)
F*ck Off!: Angry music
High School Never Ends: Music that remind me of high school (IE, songs that came out while I was, songs that use it as a subject, my graduation songs, etc.)
Hippocratic Doctor House: Music from/that makes me think of the show "House, M.D."
In Mourning: Sad music
Memories That Fit in a Shoebox: Probably no one here has read the Harry Potter epic fanfiction "The Shoebox Project," but yeah, music that reminds me of that.
Moping Over: Break Up List 1 - the sad songs
Moving On: Break Up List 2 - the "fine, I'm over you, then" songs
Riding Dirty in My Low Rider Down that Long and Winding Road: Music I listen to in the car (pretty much all my favourite music, no matter the genre - there's A TON of songs in this one)
Rub-a-Dub-Dub: Music I listen to in the shower, usually upbeat
The Fun in Funeral: Music from/that makes me think of the show "Pushing Daisies"
The Greatest Thing You'll Ever Learn: Music that makes me think of my girlfriend
The Ultimate Sin: Music about sex
Work It!: Music I work out to. (IE, "Rocky," "Flashdance," Eye of the Tiger etc.)
Be who you are and say what you feel because those who mind, don't matter and those who matter, don't mind
~Dr. Seuss