in search of a mainstream non-romantic song

Okay, so my friend is looking for a well known mainstream song to use at a church outreach next week. Something they can perform. The talk is a Kellar reason for belief type thing. The song should raise questions about what life is all about.

Trouble is, a song can't easily be found. A decade or two ago there were plenty to choose from. U2, REM etc were churning them out.

In the last 10 years? Nothing.

Why not?

I think its because these days we interpret any existential angst we might feel as romantic/sexual angst.

So whereas the eighties gave us this, the naughties have delivered...