Intro:

Am F X2
Am  F7  G  Em
(Wo wo...)
Am  F7  G  E
(Wo wo...)

Verse1:

Am  F7  G  Em
F   G   E      X2

Bridge:

F   G    C7   Am
F   G   A......

Chorus:

F   G   C   Am
F   G   A...
F   G   C   Am
F   G   Am

Verse2:

Am  F7  G  Em
F   G   E      X1

Bridge:

Chorus: (end with Wo  wo...)
-----> Am  F7  G  Em
(Wo wo...)
Am  F7  G  E
(Wo wo...)


Verse 3: only whistle, same chord as verse2 then sraight to
bridge followed by chorus twice. End.