For the soundtrack to the third installment in the massively popular SHREK animated movie series, Dreamworks assembled another intriguingly eclectic set of pop/rock tunes. In addition to unlikely songs by Led Zeppelin (the propulsive " Immigrant Song") & Zep acolytes Wolfmother (the raucous " Joker & the Thief"), the album finds Eels mastermind Mark Oliver Everett, a regular on SHREK soundtracks, contributing the musical oddballs " Royal Pain" & " Losing Streak." Other highlights of the lively c