In the key of Am the bridge chords are: Dm Bmag(not Bm) Dm E7(The same for the instumental break) The verse chords are: Am Dm Am Dm C--Am Dm E7 Am E7... If anyone gets an opportunity to see it there is a great old black and white film of the Coasters doing this song with white gloves in total darkness...I think I might've seen it on PBS or something, but it's really amazing...