Help me find this recording

[Dave Winslow]

Hi all,

I was once so affected by a Dead recording as it played through a dorm
window, that I stood outside in the rain and listened to the whole thing. I
learned later it was Dark Star, but don't know which recording it was. It
must have been an album side as it seemed like 20 minutes or more. Can you
guys take a guess for me?

It was a great sounding recording, not like a bootleg. Thanks

Dave