New Orleans Saints quarterback Drew Brees is bringing GigTown, an innovative new way for musicians to book gigs through a smartphone app, to New Orleans.

To join the GigTown community, a musician just has to set up a free profile on GigTown.com.

“What we ask for people to do is to put a YouTube video on their profile so that people can actually see you play, as well as whatever songs that you would choose to download,” Brees said. “Then a...