There used to be an easter egg. There is no longer.
There used to be a cellphone sticking out of Zubin's shirt pocket. If you clicked on it, you were presented with the option of giving HITS your name and phone number. The database was accessible by Tally Hall who would occasionally call people on the list while they were out on tour. It was dubbed a "Tally Call."
There was another much less impressive easter egg during one of the incarnations of the site design. If you clicked the ties in the header image, the background of the site would change to that tie color.