two words - dallas observer :^}
https://www.dallasobserver.com/music
one interesting bar/music space is Reveler's Hall on Bishop St. in Oak Cliff. music most nights.
https://www.revelershall.com/
lots of good restaurants in that area as well, from burgers, bbq, veracruz mexican food, italian, mediterranean, spanish tapas, pizza, salvadoran, afghani,french, seafood...
hope you have a great visit to our musically and gastronomically filled fair city!