An MIT Project That Lets You Spy On Yourself : Planet Money : NPR
[http://www.npr.org/blogs/money/2013/07/01/197632066/an-mit-project-that-lets-you-spy-on-yourself] - - public:time
MusicBrainz is a community music metadatabase that attempts to create a comprehensive music information site. You can use the MusicBrainz data either by browsing this web site, or you can access the data from a client program — for example, a CD player