On a track with the perfectly ridiculous title "Retarded Fren," Radiohead gentlemen Thom Yorke and Jonny Greenwood have hooked up with a somewhat unlikely collaborator, masked indie-rap hero DOOM. On the track, DOOM kicks his trademark slurry free-associative wordplay over wobbly bass-music subs and jittery strings that sound like they jumped straight from Greenwood's There Will Be Blood score. Listen ...