Does anyone here know that completely tone-deaf girl singing "Blasphemous Rumours" in Depeche Mode 101?

As I finally saw yesterday, you can see the back of my sister's head in the audience shots of Antone's 28th Annversary in this fine doc:

http://www.amazon.com/Antones-Home-Blues-Joe-Ely/dp/B000EWBOCC/sr=1-1/qid=1167157907/ref=pd_bbs_1/105-1385549-9447609?ie=UTF8&s=dvd