On Tuesday's Houston Matters: Harris County Commissioners held two votes on Monday we think you’d be interested in. One was unanimous, calling for an independent review of planning for outdoor concerts at NRG Park in the wake of the deadly crowd surge at Travis Scott’s Astroworld festival concert ten days ago. The other vote was simply to confirm this month’s local election results — it was not unanimous. News 88.7’s politics and government reporter Andrew Schneider joins us with more.

Also this hour: City Council Member Letitia Plummer answers questions about issues affecting the city.

Then, there are charities and research organizations and support groups and specialists for all kinds of diseases. The more common they are, generally, the more attention they receive. And that’s understandable. But what about those rare cases where patients grow increasingly sicker and no one has any idea why? That’s where the Undiagnosed Diseases Network comes in. We learn more.

And we learn about a photography exhibit called Celebrate Buffalo Bayou: River of Life, which includes some rare images of life along the bayou from around the turn of the last century.