Here you go, courtesy of one of my contacts in the WSU Alumni Association....
In Pullman:
The Belltower has been great for live music – it has great acoustics and quite a bit of seating. Here is the link to the website:
http://www.verycoolspaces.com/. I definitely recommend the Belltower as it is my favorite. There was a music festival in Pullman a couple of weeks ago now called Birds on a Wire and it took place at the Belltower and two other locations at the Gladish Community Center.
Gladish’s site:
http://www.gladishcommunity.org/facilities/rental.html . The Birds on a Wire festival hosted a beer garden at each venue too. I don’t know if that factors into decision making, but it is an available option for shows.
In Moscow:
I think John’s Alley would be a great place to start with in Moscow. They have quite a lineup on their calendar, but I have personally never been there to see the venue. John’s Alley’s website:
http://www.alleyvault.com/index.php . (That's the site Charlie mentioned...I remember going there in the early 70's when it was "The .
I’m sure Rico’s, the Coug, and Valhalla would be great options as well if they are looking for more casual set.
As always - GO, COUGS!