The Mucky Duck has Patty Larkin on the 16th. It'll probably be a great show. It's one of Houston's finest music room, and not far from where you'll be. Here's their particulars:

The Mucky Duck
2425 Norfolk
Houston, Texas 77098
Phone 713-528-5999

For the 17th - you might catch some live jams or open mics - you might even participate. I'd call and see what's up for each and choose the one that sounds most inviting. None are too far from you:

Acoustic Open Mic
Every week on Sunday
Sidecar Pub
11202 Huffmeister
Houston, TX 77065
Phone: 281-807-4040

Blue Flash Open Mic Night
Every week on Sunday
Ken's Club
6824 Wilcrest
Houston, TX 77072
Phone: 281-575-7580

and here's another just southwest of Houston (about 30 minutes):

Acoustic Open Mic Jam Session with Josal
Every week on Sunday
County Line
19412 FM 1093
Richmond, TX 77469
Phone: 281-398-4800