Johnny Too Bad Bass Tab & Chord structure
from UB40`s 1983 L.P Labour Of Love.

Verses:
  Ab        Eb         Db         Ab  
G::----:----:----:-----:----:-----:----:-----::
D::----:----:-8--:-8(8):-6--:-6(6):----:-----::
A::-6--:-6--:6-6-:6-6--:4-4-:4-4--:-6--:-6(6)::
E::4-4-:4-4-:----:-----:----:-----:4-4-:4-4--::

Chorus`:
  Db    Eb   Ab 
G::-----:----:----:-----::
D::-6(6):-8--:----:-----::
A::4-4--:6-6-:-6--:-6(6)::
E::-----:----:4-4-:4-4--::

Note:
The above Chord arrangement is correct,
Listen to the track to find the changes their pretty easy.
For notes tabbed in () play as required it varies,
(more often on UB40`s 1987:CCCP Live In Moscow version!)
The Bass is O.K,Maybe find the odd note i`ve 
mistaken or missed?Feel free to correct.