SF ad agencies.  They have the foosball tables, the Mad Men cache, and enough obscure music on their shared drives to bring down itunes.  Now one of them is getting its own private event space, and is debuting it tonight with a show featuring Brooklyn indie-rockers We Are Scientists.  Startup firm Pereira & O'Dell's BarrelHouse brings some much-needed competition to the art gallery/live performance 111 Minna scene.  There's a wood bar, some stained glass accents and if they keep bringing in acts like We Are Scientists, a serious musical draw.  

80 Tehama St @ 2nd St