Subtext You Didn't Know Was There
It's not a song, but knowing that in Shakespeare's era "nothing" was slang for vagina suddenly reveals a whole lot of now-obscure punnage - the title Much Ado About Nothing being the most obvious, but there are plenty of others that went completely over my heard before I knew. Like this one from Hamlet (that also has the more obvious "country matters" pun): Hamlet: Lady, shall I lie in your lap? Ophelia: No, my lord. Hamlet: I mean, my head upon your lap? Ophelia: Ay, my lord. Hamlet: Do you ...