April 23, 1969
Just relistened to the Eleven on following source. If you start at about 9:00 on track 19 you'll get everything Cucamonga lists in original post. It's all there; hints of Lovelight, tease of WBYGN Jam, Mountain Jam throughout, huge WBYGN Jam, more Mountain Jam. Unreal https://archive.org/details/gd1969-04-23.sbd.barry.patched.98820.flac16/gd69-04-23d2t07.flac.