"Your Daddy Was a Yale Sperm"

An LA Times story, which was on the new census data on the decline of married families, but which featured a Heather has Three Mommies happy meme, provoked this response from some Yale grads:

Presumably the singing groups will soon need to update their repertoires to include “Your Daddy Was a Yale Sperm…” -- A reference to the old-time Yale a Capella singing group song “Your Daddy is a Yale Man,” which not every reader may be familiar with, so here are the 2009 Whiffenpoofs performing same.