the chords for THE main riff of back in black are:
      E, D, D, D, A, A, A     
e|---3P0----------------------------------------------------------------------
B|---------3P0----------------------------------------------------------------
G|---------------2P0----------------------------------------------------------
D|---------------------------------------------------------------------------|
A|---------------------------------------------------------------------------|
E|---------------------------------------------------------------------------|
E, D, D, D, A,A,A

e|---------------------------------------------------------------------------|
B|---------------------------------------------------------------------------|
G|---------------------------------------------------------------------------|
D|---------------------------------------------------------------------------|
A|---------------------------------------------------------------------------|
E|-7-4-7-5-7-6-77-------------------------------------------------------------
for the chorus the notes are:A,E,B,A,B,A,E,B,A,B
D,A,D,G,D,D,A,D,G,D (X2)




================================ TAB Legend ===================================

|  /  slide up
|  \  slide down
|  h  hammer-on 
|  p  pull-off
|  b  bend note 
|  ~  vibrato
|  H  harmonic
|  PH pinch harmonic
|  x  Muted string