In Boston, you can call Uber for bagpipers on St. Patrick's Day

It's a lucky day to be in Boston.

For the second straight year, Uber is allowing its users in Boston to request bagpipers on demand. No, seriously. The promotion is free, but they're available for a limited time: 12 p.m. ET to 4 p.m. ET.

All users do is go to the app, type in the code "bagpipes," and you will get your own special St. Patrick's Day performance. This is the second straight year they've offered bagpipers on demand. Cost: free.

Of course, this isn't the first time Uber has rolled out these feel-good promotions. They've done this with puppies and ice cream, too.

Follow Brett Molina on Twitter: @brettmolina23.