Great song by a fantastic band. This is the string loop played through most the song.
I play it on my keyboard with the string effect, sounds nice.
[ Tab from: http://www.guitaretab.com/r/radiohead/253548.html ]
e|---0---------|
B|-----3-------|
G|-------2-----| x4
D|---------4---|
A|-------------|
E|-------------|
e|---0---------|
B|-----3-------|
G|-------4-----| x4
D|---------5---|
A|-------------|
E|-------------|
I havn't given any timing in the tabs so just pick that up yourself, it's real easy anyway.