From Portland, The Decemberists cover Fleetwood Mac and the Thermals take on Led Zeppelin. Both of these are found on Arena Rock's Bridging The Distance, which you can pick up (with 3 bonus tracks) at eMusic.
The Decemberists - "Think About Me" (Fleetwood Mac)
The Thermals - "Tangerine" (Led Zeppelin)
From Detroit, the White Stripes do a live cover of Nat King Cole, and the Detroit Cobras cover the Strokes.
The White Stripes - "Don't Blame Me" (Nat King Cole)
The Detroit Cobras - "Last Nite" (the Strokes)
Closing it out is AC/DC's "Baby, Please Don't Go" from 1974, originally done in 1945 by the blues musician Big Joe Williams. This was also the first song the group ever performed on television.
AC/DC - "Baby, Please Don't Go" (Big Joe Williams)