The General Jackson Showboat is unabashedly touristy, but it fits Nashville: a paddlewheel-style boat, live music, food, and a cruise on the Cumberland River. The point is not subtle cultural discovery; it is a packaged night or lunch outing with skyline views and country-show energy.
It works well for visitors who want entertainment without navigating Broadway's crowds, or for groups with mixed ages. Check the show theme, sailing time, and meal arrangements before booking, since the experience changes by cruise.