i need some help, i'm going to play acousticfor my school's talent show and i can't buy a pick-up right now, so should i just get the mic and put it up close to the guitar?

BTW, im going to play the song "Romance" or "Romance De Amour"
I hope the school likes it.

Thnx in advance for any help
of course, mic it up. thats what many of the greats do.
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