If Valentine’s Day isn’t enough of a reminder that everyone around you is in a relationship, there’s nothing like a playlist of charming duets to really drive that singleness home. But don’t feel too jaded. Whether you’ve got a special someone or not, two is most definitely better than one.

Two slices of pizza? Better than one.

Two hours until your homework is due? Better than one.

Two midterms on one day? Okay, you found an exception. Great work.

But we promise: Two voices? Harmonies? Always a good thing. (Trust me, I'm in a music group.