Apple has today released iTunes 12.3.2. This updates brings improvements over the last incremental update. In this version we see the same Apple Music improvements added with iOS 9.2, including support for works, composers, and performers when listening to classical music in Apple Music. We also find other general bug fixes and improvements.
This update is only available for OS X El Capitan users. To get this update go to the Mac App Store > Updates > Software update > iTunes 12.3.2.