Hard as a rock
AC/DCIntro :
E------2-4-5-4-2-0-2-4-2---------------4-0-------4-2-----------------
B------0-0-0-0-0-0-0-0-0---------------0-0-------0-0-----------------
G--------------------------------------------------------------------
D--------------------------------------------------------------------
A--------------------------------------------------------------------
E--------------------------------------------------------------------
bah voilà et puis amusez vous bien