There have been plenty of demos and discussions about this, and much of the discussion has been negative.
I do not consider this a saxophone at all, any more than my midi keyboard is a piano.
Keep reading through, there are many comments and updated information. Nearly four months have passed since I got the YDS-150 and much has been learned. There are now 25 audio tracks of several music styles, and 13 YouTube videos after several days with the YDS-150.
(Original post): I have had about two hours total to play around with this, and I intend to do several other tests, but this is an initial first look.
The instrument has its weak points, amply discussed elsewhere (sounds aren't particularly good, it doesn't do MIDI, it doesn't have...