looking for some "sad" chords~ please help~

[jimi]

Do anybody know that what kind of chords sound pretty
"sad"~ like radiohead's style~
please help me out~

[Christoph]

I've never listened to Radiohead, but here are some typical "sad" chords (in the key of A minor) -

Minor (duh!)

0
1
2
2
0
0

Sus2

0
0
2
2
0
0

Minor add9

0
1
4
2
0
0

Hope that helps.