PS - not positive, but wasn't Estimated written by Bob alone? I remember reading a quote by Jerry and him saying that it was such an incredible song written by Weir, by far his best, said Jerry. Very dynamic, and I remember him raving about how great and complexly interesting a song it was.
Play music, expand the mind, inspire...
"We must embrace pain and burn it as fuel for our journey" - Japanese poet Kenji Miyazawa