After having seen Genesis Live 11 times, I have to say that LIVE is the best setting to listen to their timeless and sublime music. It is a shame there are many Genesis songs from their catalog that were never played live: The Brazilian, Wot Gorilla?, Inside Out (not the Hackett Revisited version that is pretty good but is not Genesis), Vancouver and some other lost gems.
I believe that Wot Gorilla? was only played live once, at the Rainbow Theatre on 1st January 1977.