Electronic: Aphex Twin, Autechre, Amon Tobin, Basement Jaxx, 808 State, Boards of Canada, The Black Dog, Carl Craig, Cluster, Kraftwerk, Klaus Schulze, Tangerine Dream, Massive Attack, Juan Atkins, Mouse on Mars, The Orb, Plastikman, Portishead, Squarepusher, Underworld, Venetian Snares
Jazz: Miles Davis, Charles Mingus, John Coltrane, Alice Coltrane, Billie Holiday, Pharaoh Sanders, Sun Ra, Duke Ellington, Herbie Hancock, Mahavishnu Orchestra, Ornette Coleman, The Art Ensemble of Chicago, Rahsaan Roland Kirk, Thelonious Monk, John Zorn
Rock/R&B: Frank Zappa, Captain Beefheart, Brian Eno, David Bowie, Roxy Music, The Velvet Underground, Pere Ubu, The Ramones, The Soft Machine, The Beatles, The Rolling Stones, The Kinks, Love, The Grateful Dead, Curits Mayfield, Parliament, Funkadelic, Sly & the Family Stone, Nina Simone, Otis Redding, Aretha Franklin, Prince, Steely Dan, Talking Heads, X, Neil Young, Bob Dylan, Elvis Costello
MOVIES:
Favorite directors: David Lynch, Luis Bunuel, the Coen Bros. and Stanley Kubrick
Favorite films: Blue Velvet, Eraserhead, A Clockwork Orange, 2001: A Space Odyssey, Barry Lyndon, Alien, Akira, Belle du Jour, Blade Runner, Barton Fink, Fargo, Brazil, Chinatown, Citizen Kane, His Girl Friday, Dr. Strangelove, The Deer Hunter, Ed Wood, Planet of the Apes, Pulp Fiction, Silence of the Lambs, Taxi Driver, This Is Spinal Tap, Waiting for Guffman, The Producers, the Wallace & Grommit shorts, The Nightmare Before Christmas, The Triplets of Belleville, Princess Mononoke, My Neighbor Totoro,
TV:
The Simpsons, Twin Peaks, 30 Rock, Tim & Eric Awesome Show Great Job!, Arrested Development, Flight of the Concords, Seinfeld, The Venture Bros., The X Files
BOOKS
Favorite Authors: Carson McCullers, Ray Bradubury, and Tennessee Williams (OK, favorite playwright!)
Favorite books/works: The Heart is a Lonely Hunter, Paradise Lost, The Sandman Series, Brave New World, Slaughterhouse-Five, The Red and the Black, Lord of the Flies, Frankenstein, The Earthsea Trilogy, The Soft Machine, Naked Lunch, The October Country, The Martian Chronicles, Dandelion Wine, Ender's Game, Speaker for the Dead, The Adventures of Huckleberry Finn, The Three Musketeers, To Kill a Mockingbird, From Hell, Jimmy Corrigan, the Smartest Kid on Earth, Berlin: City of Stones, Maus, Persepolis, Nausicaa of the Valley of the Wind series
And last but not least, VIDEO GAMES!
Final Fantasy series, Earthbound, Metroid series, Zelda series, Tekken, Soul Calibur, Street Fighter, Breath of Fire (II and IV specifically), Resident Evil, Silent Hill, Castlevania, Dragon Warrior (and its underrated spinoff, Dragon Warrior Monsters!!!), Killer7, No More Heroes, Shin Megami Tensei (esp. Persona series), Soul Reaver, Jak II and III, Ratchet & Clank series, Ogre Battle series, Shadow of the Colossus, Ico, Secret of Mana, Secret of Evermore, Eternal Darkness, Chrono Trigger, Chrono Cross (My all-time favorite... the Blue Velvet of video games), Katamari Damacy, Fire Emblem, Worms Armageddon, Suikoden III, Xenosaga I, and many more...
You need rights to use music like that. Even if you're not selling the game you're making, the creators can force the host website to remove the download link.