Label: Capitol
Key Track: "The National Anthem"

Released in the fall of the decade's first year, Kid A's experiments in electronica and the 'Head's funkiest beats provided a template for where much of rock would go in the Aughts. In an alternate, better-sounding universe, Jay Z is pals with Thom Yorke, not Chris Martin.

YOU AUGHTA KNOW:
During the recording of Kid A, lead singer Thom Yorke read Ian McDonald's Revolution In the Head, a chronicle of the Beatles' recording techniques.