Some people's favorite songs are musically harsh, with lyrics expressing anger and rebelliousness. "Killing in the Name" by Rage Against the Machine comes to mind. Some people's favorite songs are musically bright and uplifting, with lyrics expressing affection and gratitude. "Thank You for Being a Friend" by Andrew Gold, for example. Do people in different parts of the world prefer different pieces of music because of the emotions expressed, both musically and lyrically?