If I were a singer, this line would be a big stumbling block.
Singer: "You meant 'I am', right?"
Author: "No, it says 'am I'"
Singer: "But that doesn't make sense."
Author: "It makes perfect sense. It says 'am I'"
Narrator (aside): The sentence makes no sense.
Singer: "OK, I'll try"... (singing) "... I know am I going sinking..."
Author: "Argh, no, it says __'am I'__"
Singer: "I'm sorry, it's just hard because it makes no sense at all"
Narrator: The singer is right. The dialog continues in this manner for 1/2 an hour. After many takes, the singer finally succumbs.