(The requirement to make this list is that this artist was consistently listened to for at least a year at some time in my past.)

• Air
• Britney Spears (I can't deny it. She speaks to me.)
• Broken Social Scene
• The Cardigans
• The Cranberries
• Daft Punk
• Emily Haines
• Enya
• Erlend Øye of
  • Kings of Convenience
  • The Whitest Boy Alive
• Feist
• Imogen Heap
• John Mayer
• José González
• Röyksopp
• Sarah McLachlan
• The Shins
• Simon & Garfunkel
• St. Vincent
• Zero 7

I feel like this is incomplete or inaccurate.