Go for the Music, Stay for the Holograms
medium.com
medium.com
In Japan, this has been taken further. No live performers at all. Here's a Vocaloid concert:
http://www.youtube.com/watch?v=dhYaX01NOfA
Both the image and singing in that video are entirely synthesized. Rock stars are headed for the unemployment office.
Miku is likely part of my dissertation; extremely outdated research page here: http://alexleavitt.com/vocaloid