How to play Back in Black by AC/DC on Guitar

So, you start to play in E. Playing like this with three strings. [Demonstration] And pick three. [Demonstration] That is the D chord and then to A chord. [Demonstration] And then, barring these three strings, the D string, the G string, and the B string barring with my index finger with that so. [Demonstration] When it comes to this part [Demonstration] And then, again. [Demonstration] Continue doing it, then this part. [Demonstration] You play on the A string on the II fret [Demonstration] And then, you go to E string on the I fret. [Demonstration] So, you are alternating the strings, the A string and the E string but notice it is now moving up. [Demonstration] And in between, you have these notes. [Demonstration] Then you start again. [Demonstration] I will try and play it slowly. [Demonstration] The bridge part to use this quite few chords that come in a quick sequence, I will try to explain it. It starts with A this are all power chords by the way and I am going through from A to E. [Demonstration] And up to B. [Demonstration] Then A, [Demonstration] B, [Demonstration] The same thing again, [Demonstration] And then G, [Demonstration] And then, D. [Demonstration] And then, A, [Demonstration] And then G, [Demonstration] And then A, [Demonstration] Do the same thing again. [Demonstration] And then, the first part again. So, right A-E-B-A-B, then G, [Demonstration] Two, three, four, and then D, [Demonstration] And then, back to the beginning. [Demonstration] You will notice on the D part there [Demonstration] Well, that is where we play the G note on the E string here and then, bend it up there. [Demonstration] There, [Demonstration] Up G. [Demonstration] It sounds cool.