John Paul Jones' piano solo in "No Quarter" during the 1977 North American Tour.
The performance of "Kashmir" at the Tribute concert to Atlantic Records founder and president Ahmet Ertegun at the O2 Arena, December 2007 with John Bonham's son Jason at the drums.
The version of "Whole Lotta Love" played at the 1979 Knebworth concerts.
Every time John Bonham played his signature drum solo "Moby Dick". Its 20 minutes of awesome drumming goodness.