[DAVE (CHIPMUNKS)]
Sing a goofy song as you walk along
(Ree dee doo ree dee doo ree dee doo)
Sing a goofy tune
And you'll get there soon
(Ree dee doo ree dee doo ree dee doo)

It’s a happy thing when you learn to sing
(Ree dee doo ree dee doo ree dee doo)
It'll make you smile
Make the day worthwhile
(Ree dee doo ree dee doo ree dee doo)

Even if you're on the job
Now is the time to start
If the boss will not let you sing it out
You can sing it in your heart
Come on now

If you’re feeling blue
Here's a cure for you
(Ree dee doo ree dee doo ree dee doo)
Sing a goofy song and you can't go wrong
(Ree dee doo ree dee doo ree dee doo)

[DAVE (spoken)]
Fellas, it's going great. Now in the next part all three of you start...
[ALVIN]
Ree dee doo ree dee doo ree dee doo
[DAVE (spoken)]
Shhhh! Not yet, Alvin
[ALVIN (spoken)]
What?!
[DAVE (spoken)]
I said not yet
[ALVIN (spoken)]
Okay

[DAVE (CHIPMUNKS)]
Even if you're sick in bed
Don't let it bother you
Worry never helped anybody yet
Start to sing and then you feel much better

If you're ninety-one
You can still have fun
Ree dee doo ree dee doo ree dee doo
Sing a goofy song
And you can't go wrong
Ree dee doo ree dee doo ree dee doo doo doo
Ree dee doo ree dee doo ree dee doo

[DAVE (spoken)]
By golly, wonderful, boys! And not one argument
[ALVIN]
(spoken)
Yeah, I was great
(sung)
Ree dee doo ree dee doo
No, now
Wait a minute, fellas
Will you keep singing?
The record isn’t over with yet

Ree dee doo ree dee doo ree dee doo
And anyway I thought I handled my part quite nicely
You?!
Like if it weren’t for us there...

Now just a second, you guys
I did a pretty good...
My friends tell me I...
Now, wait a minute...