I do not own any of the songs nor the animation in the video, so here are the credits:
Miku miku ni shite ageru by : Ika
Melt by : ryo
The disappearance/end of Hastune Miku by : cosmo@暴走P
Matoryoshka by : Hachi
Senbonzakura by : WhiteFlame
Tell your world by : livetune
Ghost rule by : DECO*27
Sand planet by : Hachi
Unknown mother goose by : wowaka(RIP)
The vampire by : DECO*27
Animation by : CASTSTATION
(If I got any of the credits wrong, please correct me in the comments!)