Vocaloid Live

Hello there!!
Did you know that there has been a vocaloid live concert in Los Angeles, Singapore, and Tokyo? Well, it's true! And it's awesome! But what they used wasn't a hologram but a ehmm, I don't know!!

That is Hatsune Miku singing World is Mine! Watch?
World is Mine Live 

 I don't know what she is singing..

 This is Megurine Luka singing Just Be Friends. Watch?
http://youtu.be/YmSoLpzhqUk

 That's all