There already are. The first ever live concert involving a vocaloid was done with Miriam. Gakupo and Gumi had their first live at a New Year's celebration called King Run Anison Red and White. Most concerts involving Miku afterwards also include Luka, and Rin and Len. Also, on December 15/16 of 2011, Gumi, VY1v3, Akikoroid-chan, Tone Rion and Aoki Lapis performed a the first real 3D at VOCAFARRE 2011. Oliver shall be used in an overseas concert performed by VocalektVisions.