Please excuse the category names:
Happy Pop Music: The Beatles, Beat Happening
Garage Rock: The Sonics, The Kinks
"Punk": Sex Pistols, Minor Threat, The Misfits
Metal: Ministry, Slayer, Pantera
Semi-Ambient Rock: My Bloody Valentine, Spaceman 3, Broadcast, Pram
"Goth music that non-goths can enjoy": The Cranes
"Indie Rock": Built To Spill, Fugazi, Guided By Voices