• Arcade Fire
• Beastie Boys
• Chromeo
• Davie Bowie
• Edward Sharpe and the Magnetic Zeros
• Fleetwood Mac
• Glass Candy
• Har Mar Superstar
• Iggy Pop
• Joy Division
• the Knife
• LCD Soundsystem
• Modest Mouse
• Neil Diamond
• Outkast
• the Pixies
• Queen
• Radiohead
• Sleigh Bells
• the Tempertrap
• the Unicorns
• Violent Femmes
• We are Wolves
• the XX
• Yeah Yeah Yeahs
• Zeppelin, Led

Please note that some of these aren't necessarily my favorite that start with that letter, they are either the most currently relevant, or just what I could think of.