I was originally planning one of Chopin's nocturnes since I'm sure all the boomers that'll be there will love to hear one, but it might be foolish for me to try learning op 48 no 1 in three months, and all of the other ones aren't really impressive sounding enough other than op 15 no 1 which I also could not pull off. op 27 no 1 is a strong contender and I'll probably go for that one, but it feel like it might be boring for the last 2 minutes since there aren't really any showy parts to close off with.

Which piece should I choose and settle with? Also there will likely be many girls there so ideally one that doesn't sound too feminine or fruity like most romantic era pieces do. Just put me on to something cool and good that everyone will enjoy and also be possible for me to play