My review of Yamaha's recent English Vocaloids from the point of view of somebody who doesn't speak Japanese and hasn't watched any anime in years.
http://bedroomproducersblog.com/2016/11/21/vocaloid-4-review/
Includes a walkthrough video as requested by some users on this forum, showing the work actually required to get Vocaloid to sing a few bars with expression.
