AB&TDs -- they don't hardly sing, but they dance just as good as they want. (feel free to correct any and all mondegreens in that sentence)
"They don't ONLY sing ...," I hear it.
Sledgehammers aplenty in this set: "Midnight Confessions," which for me always evokes a married friend I had unrequited feelings for, and "Hello I Love You," which the Phi Psis at my college (of whom my friend Victor was a member) frequently used to kick off their parties.