What's a topic that you never heard a song mention?

My classes are finally over (whoooohoooo) and I'm just waiting for finals to start so I decided to build a fort with boxes and my blankie.... but I can't seem to find some fort making songs....

So what's one topic that you've never heard a song about, but would like to?
Update: Shoshie: Life, death, love, regret, aging, war, peace, money.... I can name songs about all those topics.... are they not important things?
Update 2: inverted.... I think you're gonna have to write that song cause no else is gonna spontaneously think of think of that topic and write it :P
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