Chords:
A5   (577xxx)
B5   (799xxx) or (x244xxx)
E5   (x799xx)
F#5  (244xxx)
G5   (355xxx)
D5   (x577xx)
Intro: play B5  D5  A5  twice, and then the verse starts
Verse 1:
B5             G5
PT boat on the way to Havana
   A5
I used to make a living
        F#5
Man, picking the banana
B5                      G5
Now I'm a guide for the CIA
A5             F#5
Hooray for the USA
Chorus:
G5                 F#5
Baby baby make me loco
G5                 F#5
Baby baby make me mambo
Now play B5  G5  F#5  x2
Verse 2:  Play the same as verse 1
Sent to spy on a Cuban talent show
First stop, Havana a go go
I used to make a living
Man, picking the banana
Hooray for Havana
Chorus:  Play like other chorus
Baby baby make me loco
Baby baby make me mambo
Play B5  G5  F#5  x2
Then comes the little interlude, it is just  A5  B5  D5  E5  x4
Verse 3:  Play like other verses
PT boat on the way to Havana
I used to make a living
Man, picking the banana
Now I'm a guide for the CIA
Hooray for the USA
Chorus:  Play like others
Baby baby make me loco
Baby baby make me mambo
Play B5  G5  F#5  x2
Play the interlude again:  A5  B5  D5  E5  x4  
Let the last E5 chord ring for a second and then go to the verse.
Verse 4:  Play like others
Sent to spy on a Cuban talent show
First stop, Havana a go go
I used to make a living
Man, picking the banana
Hooray for Havana
Chorus:  like others
Baby baby make me loco
Baby baby make me mambo
Play B5  G5  F#5  x 2 End song on B5