Sha la la la la

Lee Peters: Next number was called “Sha La La La La La.”
John: You’re joking!
Lee: No?
Paul: La?
Lee: Ah, but, in fact, “Baby It’s You.”
John: Why don’t you do it in your famous James Mason impersonation?
Lee: Ha, ha.
All: All right! Go on, man! Do it in your–
Lee: I thought this next number was called “Sha La La La La La,” but, in fact, “Baby It’s You.”
Paul: Get off! Get off!
John: Ha, ha! Very good!
Lee: Okay.
John: Can you do Mickey Mouse?
Lee: Yes.
Ringo: All ring, sing a song, fellows.
John: Okay, let’s go!