well, I’ve done it, put the clip back in. But I don’t know much about color correcting, or blending, but it’s in the film. With the Version of the song put in from the CD Soundtrack.
Does your soundtrack have all of Scrooge’s lines? The soundtrack I found didn’t have half of his lines during the duet at the end of the song so it looked like he was mouthing the words instead of singing.