Music Center is described as 'A function for transferring to the WALKMAN® and playback of High-Resolution Audio content are available' and is an app in the Video & Movies category. There are more than 10 alternatives to Music Center for a variety of platforms, including Windows, Mac, Android, Linux and BSD. The best alternative is VLC Media Player, which is both free and Open Source. Other great apps like Music Center are foobar2000 (Free), Clementine (Free, Open Source), Strawberry (Free, Open Source) and MusicBrainz Picard (Free, Open Source).
Gracenote, Inc., formerly called CDDB (Compact Disc Data Base), is a company that maintains and licenses an Internet-accessible database containing information about the contents of audio compact discs and vinyl records.