There's a Board's of Canada song "ROYGBIV" that will burrow into your head and just live there. Beautiful and damn catchy.
Running further off topic: I strongly recomend Plaid. I only have "Not For Threes", but it's great music with totaly audiophile grade production. It's one of the best sounding discs I've heard, and it really shows off what can be done with high quality production when all of the sound is hand crafted as oposed to reproducing an instrument.