Now that I think about it, a documentary about Freddy Mercury's moustache would also have to be teeth related, since the only reason he grew it was because he felt insecure about the way his teeth looked... JUST LIKE BOWIE!
Can you imagine a parallel earth where Freddy Mercury had his teeth fixed and Bowie grew a moustache? Maybe Freddy would be alive today, and Bowie would be dead from moustache complications.
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