Standard Tuning

INTRO:        
whistle arranged for guitar
e|-10--------------------------------------10--------------------------------|
b|------10---13-----10---12--------10-----------10---13-----10---12----------|
g|----------------------------12--------------------------------------12-----|
d|------------------------------------------------------------------------12-|
a|---------------------------------------------------------------------------|
e|---------------------------------------------------------------------------|

MAIN RIFF:    e|---------------------------------------------|
b|---------------------------------------------|
g|---------------------------------------------|
d|---------------------------------------------|
a|-3/5xx--65xx--3/5-x-3/5--65----------------|
e|---------------------------------------------|

PLAY MAIN RIFF 3 TIMES THEN:
e|---------------------------------------------|
b|---------------------------------------------|
g|---------------------------------------------|
d|---------------------------------------------|
a|-3/5xx--65xx--3/5-x-3/5xx-------------------|
e|---------------------------------------------|

RIFF 2:        This is played while the girl sings
e|-13b(13b)---|
b|------------|
g|------------|
d|------------|
a|------------|
e|------------|

Thats it!