Salty Dog

I like to follow the interesting blog “bumbastories” written by Stephen Baum [= Bumba], L.A. – his continuing journey through the history of blues music inspired me to take a look at the old song SALTY DOG:

I should have played:
A – F#m – B7 – B7 – E7 – E7 – A – E7

related:
http://bumbastories.wordpress.com/2013/09/08/the-fourth-chord/

professional versions of the song:
1
Bela Fleck, Earl Scruggs – Salty Dog

2
Mississippi John Hurt: