One danger of loving musicals too much

...is that you end up with show tunes playing constantly in your head. There are worse things to be lodged in the brain than masterful Sondheim ditties but still...

More annoying yet is that I just have one line of the classic "A Little Priest" on repeat, not the whole song. For about 5 days now. I've tried listening to the entire Broadway cast recording (both). I've tried listening to other music: Amy Winehouse, Tom Waits, Madonna, Christmas compilations. I even tried Hairspray's catchiest showstoppers. And still all I hear and all I hum is one single line (in bold below)

Sweeney Todd:
For what's the sound of the world out there?

Mrs. Lovett:
What, Mr. Todd?
What, Mr. Todd?
What is that sound?

Todd:
Those crunching noises pervading the air!

Lovett:
Yes, Mr. Todd!
Yes, Mr. Todd!
Yes, all around!

Todd:
It's man devouring man, my dear!

Both:
And who are we to deny it in here?

I blame the TV commercial which lets that one line sing out louise
...oh please make the ∞ stop. I heart Sweeney Todd but this is too much. Your medical/mental recommendations are most appreciated. How can I escape?

My Sweeney Todd Review
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