The Jim -> Lizards was particularly memorable, but of course the Harpua leading up to the John Popper appearance overshadowed everything.

Friday, 06/23/1995
Set 1: Simple > CDTChalk Dust Torture, CaspianPrince Caspian, Reba[1], GinsengGinseng Sullivan > Free > Taste, YEMYou Enjoy Myself
Set 2: Runaway Jim -> LizardsThe Lizards, WedgeThe Wedge, AntelopeRun Like an Antelope, Harpua[2] -> Jam[3] -> Llama[3], GTBTGood Times Bad Times[3]
Encore: ADITLA Day in the Life
[1] No whistling.
[2] Unfinished; with verse of Abba's Waterloo.
[3] John Popper on harmonica.
Performers: Trey Anastasio, Page McConnell, Jon Fishman, Mike Gordon, John Popper (Guest)
Notes: Reba did not have the whistling ending. Harpua was unfinished; Jimmy played an Abba record (which led to a verse of Abba’s Waterloo), decided that he hated Abba and thought that maybe a little rocking harmonica would tighten it up. John Popper then came out for to play harmonica on a jam that led into Llama. Llama and GTBT also featured John Popper on harmonica.
This show was part of the "1995 Summer Tour."