Originally Posted by Necromancer

I wasn't referring to Clapton actually playing the particular part he was talking about. He was explaining how the interpretation by a guitarist (whoever), might instinctively think its open string, when in fact, Johnson himself had to strike/note the particular open string sound on guitar.

I like the way the video is directed with the full electric band in the first segment. Followed by two guitars. And then Clapton by himself on guitar.