Learn to play The Jack by AC/DC on JustinGuitar!
View the full lesson at The Jack by AC/DC | JustinGuitar
That 5-fret pinky stretch and the A-Bb-B power chord progression fingering are gonna take a bit of practice!
Been working on that stretch for about 3 months. 
Started nearly a whole fret away, but now can just kinda get there without too much buzzing. Keep at it, takes time to have your hand grow to the stretch.