I know for a fact that we have been requesting Yamaha give us access to Registrations from the Music Finder for over 12 years now and it could be easily done,
Survey ? Ha!
Money comes first for them, .......their units are selling well worldwide so they see no need to change quickly,......instead they just milk the profits from the buyers year after year with very small changes,...
T4 to T5 is a perfect example.

And the S950 successor is way over due also.