The guy in the apartment above me is playing the trombone, sometimes a little too late in the evening, but I'd rather use earplugs on those rare occasions than say something about it. After all, I'm playing the piano... He is apparantly retired, but plays dixieland at some bar nearby regularly. I could never identify what records he plays, but it seems to be dixieland, swing or -revival kind of stuff.
Once in a while he plays some honky-tonk piano as well; unbearably out of tune...