If you are looking for an application geared toward managing extensive music collections, easy to use and with a comprehensive feature set - MusicBee is that application.
MusicBee makes it easy to organize, find and play music files on your computer, on portable devices and on the web.
Fix 'stackhash' crash on startup for some Vista users
Crash was due to conflict with the windows API for MTP device detection, so enabling MTP devices is now a preference
Fix file replace failing when overwriting an existing file on an iPhone
Fix Album sorting in the Artwork-only layout
Change behaviour of 'Sort Album Artist' custom tag so 'Sort Artist' is used for display/ sorting when blank
Product page: here