The Eva Cassidy version I found on YouTube just cycles through the the chords Am, G, F, E7 (each one for two beats)- you can hear them clearly in the intro. It is also a half tone higher meaning the capo is on the 1st fret.
The tab you found is incorrect.
What I think it refers to is that the E7 chord is played twice but with a G in the bass on the 2nd beat. The E chord is a bit "blue", being a a bit Emajor/Eminor. The tab is wrong - it should be E7 E7/G (E7 with G bass)
I suggest playing the E7/G as either 320100 (if you want it E major "blue") or 320000 if you want it more Em
The chord sounds a bit strange on its own but is fine in context.
Last edited by Stonebridge (2010-08-01 10:06:43)