Its Always Now chords & tabs

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                      Willie Nelson - It's always now
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These chords are, what I think, what Willie Nelson plays.
This post needs some explanation, after that, it will be really easy and good to play!
 There is a chord in there of which I don't know the name, so I will call it {o}. The 
{o} chord is played like this:
E|0
B|1
G|0           If you do know the name of this chords, tell me and I will
D|0           change this description.
A|2
E|x

There is also a significantly present bassline somewhere, it goes like this: