Strings: E ,A ,D ,G 
Symbols explanations:
  H: hammer on  P: pull off
  +: slap       .: pop
  \: slide up   /: slide down
  --x~~x~~x: triplets
====================
[ Tab from: https://www.guitartabs.cc/tabs/q/queen/under_pressure_btab.html ]
|   w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w 
G -------------------------------------------------------------------------------
D -------------------------------------------------------------------------------
A -12-12-12-12-12-12------12-12-12-12-12-12----12-12-12-12-12-12----12-12-12-12-12-
E -------------------12--------------------12-------------------12----------------12


>
                                                                                
|   w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w  w 
G ---------------------------------------------------------------------------------
D ---------------------------------------------------------------------------------
A--5--5--5--5--5--5--0-----4--4--4--4--4--4--0-----2--2--2--2--2--2--0----0-0-0-2-0-4-0
E ---------------------------------------------------------------------------------
>