Eddie V's has a piano player, and the Melting Pot is a fun anniversary activity to do, but the Sidebar has a ton of other anniversary dinner recommendations:
https://www.reddit.com/r/houston/comments/dsfo72/iso_a_nice_restaurant/
https://www.reddit.com/r/houston/comments/caopzj/best_anniversary_dinner_spots/
https://www.reddit.com/r/houston/comments/ak3wtd/15_year_anniversary_dinner_ideas/
https://www.reddit.com/r/houston/comments/anwqsi/5_year_anniversary_tomorrowgood_things_to_do_to/
https://www.reddit.com/r/houston/comments/60wvel/last_minute_anniversary_plans_needed/
https://www.reddit.com/r/houston/comments/d9661x/anniversary_recommendations/