Alvin's harmonica

[Alvin:]
Why

[David Seville:]
Because we're gonna sing, that's why

[Alvin:]
Not again

[David Seville:]
Never mind. Now look fellas
this is a pretty song so let's try not to goof it up
Are you ready, Simon

[Simon:]
Sure, let's go

[David Seville:]
All set, Theodore

[Theodore:]
Hot dog, you bet

[David Seville:]
Are you ready
Alvin Ready
Alvin ALVIN

[Alvin:]
Aw, nuts

[The Chipmunks:]
We sure like girls all kind of girls
From Anie to Veronica
We like them small or fat or tall

[Alvin:]
I wanna play my harmonica

[David Seville:]
Now cut that out

[The Chipmunks:]
And everyone to get a kiss
We take them through for popcorn
Because they always fall in love

[Alvin:]
When I play my harmonicorn (sic)

[David Seville:]
Alvin

[Instrumental Interlude]

[David Seville:]
Will you put that thing down and sing

[Alvin:]
OK

[The Chipmunks:]
We sure like girls all kind of girls
From Annie to Veronica
We like them small or fat or tall

[Alvin:]
I'm gonna play my harmonica

[David Seville:]
All right, Alvin. Make a fool of yourself
Play the harmonica

After a few bars of harmonica music
the Chipmunks suddenly burst out with "Cha-cha-cha"

[David Seville:]
Now wait a minute, you guys
Alvin, you're goofing it all up
This was a pretty song, it's not supposed to be a-

[The Chipmunks:]
Cha-cha-cha
[continue to "cha-cha-cha" while David Seville speaks]

[David Seville:]
Now look what you did
You got them all cha-chaing and singing and wrecking the song
Theodore...Simon...orchestra will you cut that out
Alvin put that harmonica down
Alvin Alvin