The cucoo - Rory Gallagher

  the chords for the verses are:

  oh the cucoo, she's a pretty bird
  Am         Am              Am

 and she  wobles as she flys
         G       Am

reapeat this
progression a
lot of times

the backing chords for the solo and the outro are

   G  Am  C  Am  G  Am Am


  All the improvising is done with the A minor blues and pentatonic scales

blues scale
----------------------------5-8-
---------------------5-8--------
---------------5-7-8------------
-----------5-7------------------
-----5-6-7----------------------
-5-8----------------------------

pentatonic scale
------------------------5-8---
-------------------5-8--------
--------------5-7-------------
---------5-7------------------
-----5-7----------------------
-5-8--------------------------