I have no idea either, so your guesses are as good as mine... I think i made it pretty clear that I was a _bassist_ in the ad, so I dont know where confusion would set in about that. Also, in their reply they made it sound like they were asking if I have ever had experience with "GB" (whatever that is) so I am not entirely sure.
I also recall a few weeks ago perusing the musician ads on cl, seeing something about "familiarity with the GB Songbook a must..." or something. Is there some GB resource out there we all don't know about? I'm confused.
Edit: Managed to find a cached google snippet of the ad i was talking about above:
GUITARIST/LEAD VOCALIST NEEDEDMust have extensive experience playing the GB songbook, with emphasis on R&B, funk and soul. Must have own transportation, professional gear and be willing ...
boston.craigslist.org/gbs/muc/340361039.html - Similar pages