Spectra from VNU and Mariya from V4Mirai are hosting a Halloween karaoke relay that will run for the next 8 hours, featuring 24 VTubers from several different agencies as well as a few indies.
The pre-show is currently live here: https://youtu.be/8cDRGhtPN0s
Playlist: https://www.youtube.com/playlist?list=PL0V5AsQR41aAa4R8haxzI1K5wcp9ZRyb6