Dark Angels Space Marines
  Avenging Angels - Space
  We Will Rock You - Queen

Eldar Exodites
  In The Days Of The Caveman - Crash Test Dummies
  Jurassic Park - Wierd Al Yankovich

Eldar Warp Spider Aspect Warriors
  Spiderwebs - No Doubt

Eversor Assassins & Khorne Beserkers
  Frenzy - Screaming Jay Hawkins (Found on "Songs in the key of X")
  Psycho Killer - Talking Heads

Flesh Hounds of Khorne
  Hound Dog - Elvis

Imperial Guard
  Blitzkrieg Bop - The Ramones
  Der Kommissar - Falco

Khornate Daemons and Beserkers
  I See Red - Split Enz

Necrons
  It's Good To Be Back - Gary Glitter
  You Ain't Seen Nothing Yet - Turner Barkman Overdrive

Orks & Gretchin
  Bad Moon Rising - Credence Clearwater Revival
  I Love Noise - The Mighty, Mighty Bosstones

Sisters of Battle
  Female Of The Species - Space
  Sisters Are Doing It For Themselves - Eurythmics

Slanneshi Noise Marines & Daemons
  Almost any Spice Girls song
  Relax - Frankie Goes To Hollywood (Listen to the lyrics, carefully)
  Time Warp - The Rocky Horror Picture Show

Space Marine Scouts
  Macho Man - The Village People

Space Wolves Space Marines
  Cry Wolf - aha
  Hungry Like The Wolf - Duran Duran

Tyranids
  Another One Bites The Dust - Queen
  Eat It - Wierd Al Yankovich

Tzeentchian Space Marines & Daemons
  Abracadabra - Sabrina The Teenage Witch Soundtrack
  It's A Kind Of Magic - Queen

Vindicare Assassins
  I'll Be Watching You - The Police