WHY CAN'T I STOP SINGING?!?!

WHY CAN'T I STOP SINGING?!?! is a song from New York, New York! part of Irving: The Ultimate Phineas and Ferb Fan Club Promotional TV Show!!!!!

Lyrics
Jenny: I've got something to tell you,

Phineas: Art thow, will you be my wife,

Jenny; I do, I really really do!

So do you like the Broadway show so far...

Wait...

Why I am I still singing, why I am still singing.

Phineas, Ferb, Jenny, and Irving: Why are we still singing, why are we still singing?

Why, why, why, why, why...

Irving: WHY AM I STILL SINGING?

Phineas: Oh yeah, dude!

Ferb: You've just been sing-inated!

Jenny: Sing-inated!

Ferb: You've just been sing-inated!

Jenny: Super sing-inated.

Irving: It's true,

Phineas: For me to,

Phineas, Ferb, and Irving: It's super-duper-duper true,

Jenny: We have just been sing-inated.