What is the best iTunes music converter on Windows?

Fully support latest iTunes 12.5.1 and Windows 10
Remove iTunes music and Apple Music DRM protection and convert annoying M4P to MP3
Strip off DRM from AA/AAX audiobooks and convert to DRM-free MP3, FLAC, AAC, etc.
Extract audio files from iTunes movies, TV shows and Podcasts with no quality loss
The converted MP3 and M4A files will preserve full ID3 tags and meta information