I'm a fan of finding whole genre's to get into, and usually I group my music by activity... Soooo here's some playlists of mine, if you have some of your own, please drop them off, I'm always looking for new stuff.

Writing Music: (Mostly OST and mood music)

I Was Lost Without You - Mass Effect 3 OST
Oogway Ascends - Kung Fu Panda
Green Bird - Gabriela Robins
Nascence - Journey (PS3 Game) OST
Come Little Children - Erutan
A Monster In Paris - Sean Lennon
Will The Circle Be Unbroken - Bioshock Inf. OST
Angry Birds: Main Theme - London Philharmonic
Romantic Flight - How To Train Your Dragon
Aimo ~ Tori no Hito - Nakajima Ai
Rango Suite - Rango OST
Music Box Dancer - Frank Mills
Ibelin - Kingdom of Heaven OST
Ice Dance - Edward Scissorhands OST
I Am the One - Dragon Age OST
Carnival of the Animals: Aquarium - Peter And The Wolf
Leaders of Men - Little Big Planet
Game Deaths (Mad World) - John McGrue
The Son of Flynn - Tron OST
Dyson - Tron Uprising
Singing In The Rain Remix - The Robot Remains
City of Rome - Assassin's Creed OST
Game of Thrones Opening - Game of Thrones OST
Drive Away - A Series of Unfortunate Events
Aisling's Song - Secret of Kells
Arrival to Earth - Transformers OST
Across the Stars - John Williams
The Batman Theme - Danny Elfman
For the Love of a Princess - Braveheart OST
Jack Sparrow - Pirates of the Carribean
Concerning Hobbits - LOTR Soundtrack
Evacuating London - Chronicles of Narnia OST
Main Title - Last of the Mohicans
Age of Music - Merlin
Primavera - Ludovico Einaudi
The Adhan (Call to Prayer) - Yesuf Islam (This may be a controversial pick, I'm still a fan of music in all forms, although I myself am not religious)
The Sacred War - The Red Army Choir
National Emblem March - US Army Band
Beetlejuice - Danny Elfman

Driving at Night:

Champagne Supernova - Oasis
Something (Cover) - Austin Criswell
You Don't Know Me - Michael Buble
Lightning Crashes - Live
Angel - Sarah McLachlan
Porcelain - Moby
Killing Me - Refugee Allstars
Upside Down - Jack Johnson
Steal My Kisses - Ben Harper
Hard Sun - Eddie Vedder
One Thing - Finger Eleven
The Scientist - Coldplay
Black Balloon - Goo Goo Dolls
Dreaming With a Broken Heart - John Mayer
Wake Up Call - Maroon 5
Hide and Seek - Imogen Heap
Superman - Five for Fighting
Unwell - Matchbox Twenty
Pick Up - Bonobo
Clutter - Ronald Jenkees
Aruarian Dance - Nujabes
Tomorrow Comes Today - Gorillaz
Beautiful Nightlife - Tokyo Ska Paradise Orchestra
The Grand Duel - Kill Bill OST
Clocks - Vitamin String Quartet
Toxygene (7" Edit) - The Orb
I Love You - 2NE1
Crystalize - Lindsey Stirling

Sing-A-long: (My Karaoke hit list, not to brag, but I'm a fair singer... better when drunk.)

You Make My Dreams - Hall & Oates
Kiss - Prince
I Want You Back - Jackson 5
Runaround Sue - Dion
Proud Mary - CCR
Three Little Birds - Bob Marley
White Wedding - Billy Idol
Don't Stop Believin' - Journey
What's My Age Again? - Blink 182
Can't Help Falling In Love - UB40
Hey Jude - The Beatles
No Rain - Blind Melon
Billie Jean - Michael Jackson
Basket Case - Green Day
Istanbul - They Might Be Giants
(Easy Mode: )
Loser - Beck
Going the Distance - Cake (Or really anything by cake, just speak in monotone over music.)