Study Probes the Mystery of Hit Songs

Kelly Rowland, left, Beyonce Knowles, center, and Michelle Williams, of the musical group Destiny’s Child, announce the winner of the song of the year award to U2 for ‘Sometimes You Can’t Make it on Your Own,’ at the 48th Annual Grammy Awards on Wednesday, Feb. 8, 2006, at the Staples Center in Los Angeles. (AP Photo/Mark J. Terrill) source