[sashanna]

I assure Beyoncé would have drawn a crowd.

[dredmorbius]

Not necessarily: http://www.youtube.com/watch?v=rmv1VhrtYRo

[rurounijones]

Only because people would recognize her from face or music or voice.

To replicate this you would need to put some make-up / prosthetics on to hide the fact it was her and make her sing something not particularly famous on her own.

I think the result would be the same assuming no one recognized her voice.

[hkmurakami]

I think we might be able to get the. Same effect by transporting her to somewhere else in the world where American popular music isn't as popular.