About bar codes, I remember that the first time I saw one on a record album was in the fall of 1979 (I was a teenager at the time, so I remember details like that). MAD Magazine started having bar codes on their covers around 1976 or 77, and they made some joke captions that commented on the bar code. I was kind of bummed out to see that albums now had bar codes. Now, expect bar codes to be on everything. I was never actually a UFO fan, but I've listened to this live album many times, and I like it a lot.