Old songs won't attract chicks. No, really.
The 20 males that heard Derryberry's two recordings reacted much more aggressively to the new tunes, ready to defend their territory against the crooning interloper. And the chicks? They responded by becoming more open to sexual advances when the new music was played. The oldies didn't turn them on at all. [More]Actually, this explains a lot. I spent my high school and college years singing barbershop. I had lots of time to kill back then.