Why music video games aren’t dead

Music video games such as Activision Blizzard’s Guitar Hero and Electronic Arts/MTV/Harmonix’s Rock Band were among gaming’s fastest-growing sectors a few years ago, soaring to become a $1.7 billion business by 2008. But after a 46-percent sales crash in 2009, they become a cautionary tale and fodder for endless jokes describing “the day the music died.”