F7       Bb         F7           Bb           F7  
When the little Bluebird who has never said a word  
          Bb     Bb      Bb6     Bb  Bb F  Bb6  
Starts to sing: “Spring, spring”  
F7       Bb         F7           Bb            F7  
When the little Bluebell, in the bottom of the dell  
          Bb     Bb    Bb6   Bb  Bb F  Bb6  
Starts to ring: “Ding, ding”  
Bb       Gm     Gm/F# Gm/F          C7            F7  
When the little blue  clerk, in the middle of his work,  
         Bb          Bdim    F7  
Starts a tune to the moon up above  
F     Bb             Bb7         Eb                 Ebm Bb   F  Bb6 F  Bb6  
It is nature, that’s all, simply telling us to fall in  love  

F              Bb    Gm     Cm   F7  
And that’s why birds do it, bees do it  
Bb     Bb7      Eb    Ebm   Bb      Gm    Cm      F7      Bb   Bdim  
  Even educated fleas do it,  Let’s do it.  Let’s fall in love  
Cm  F7         Bb   Gm    Cm   F7  
 In Spain, the best upper sets do it,   
Bb     Bb7        Eb    Ebm   Bb      Gm    Cm      F7      Bb   Eb  
  Lithuanians and Letts do it,  Let’s do it.  Let’s fall in love  
Bb             Gm        Cm7       Bbmaj7               Bb7  
  The Dutch in old Amsterdam do it,  not to mention the Finns  
Eb         Ab7      Db                 F7  
Folks in Siam do it,  think of Siamese twins  
F         Bb    Gm      Cm    F7  
Some Argentines without means do it  
Bb            Bb7         Eb    Ebm     
People say in Boston even beans do it,    
Bb    Gm    Cm     F7      Bb   Ebm Bb  
Let’s do it. Let’s fall in love  

Romantic sponges, they say, do it  
Oysters, down in Oyster Bay, do it, Let’s do it. Let’s fall in love  
Cold Cape Cod clams ’gainst their wish, do it  
Even lazy jellyfish do it, Let’s do it. Let’s fall in love  
Electric eels, I might add, do it though it shocks them I know  
Why ask if shad do it, waiter, bring me shad roe.  
In shallow shoals, English soles do it  
Goldfish in the privacy of bowls do it  
Let’s do it. Let’s fall in love  

Mosquitoes, heaven forbid, do it  
So does every katydid do it, Let’s do it. Let’s fall in love  
Dragonflies in the reeds do it  
Sentimental centipedes do it, Let’s do it. let’s fall in love  
The most refined ladybugs do it   
When a gentleman calls   
Moths in your rugs do it. What's the use of moth balls?   
The locusts up in the trees do it   
Even over-educated fleas do it   
Let’s do it. Let’s fall in love.  

The chimpanzees in the zoos, do it,  
Some courageous kangaroos do it, Let’s do it. Let’s fall in love  
I’m sure giraffes on the sly do it  
Heavy hippopotami do it, Let’s do it. let’s fall in love  
Old sloths who hang down from twigs do it  
Though the effort is great  
Sweet guinea pigs do it; buy a couple and wait  
The world admits bears in pits do it,  
Even Pekingeses in the Ritz do it,   
Let’s do it. Let’s fall in love.  

The nightingales in the dark do it  
Larks crazy for a lark do it, Let’s do it. Let’s fall in love  
Canaries caged in the house do it  
When they’re out of season grouse do it  
Let’s do it. Let’s fall in love.  
The most sedate barnyard fowls do it when a chanticleer cries.  
Highbrowed old owls do it; they’re supposed to be wise  
Penguins in flocks on the rocks do it  
Even little cuckoos in their clocks do it  
Let’s do it. Let’s fall in love  

Instrumental  
The royal set sans regret did it   
And they considered it fun   
Marie antoinette did it - with or without napoleon   
Parliament pleasure bent did it   
Mam'selles every time they're short of rent did it   
Let’s do it. Let’s fall in love