An interested article, but you might want to give people more info so they know whether it will interest them? i.e. using microscopes to capture the music on old wax drums and antique recording devices...
Not sure why the Science News article treats this like it is a new idea. A laser device for playing vinyl records has been available to the audiophile (audiophool?) market for at least 10 years: http://www.elpj.com/