Not sure how twitch vtubers are received here, but one that I like will be having a karaoke stream in around 30 minutes. She doesn't do them very often, but I've always enjoyed them when she did. She doesn't archive her streams, but I can offer these until she starts.
https://www.youtube.com/watch?v=YlyQ28Kn7SMhttps://www.youtube.com/watch?v=n7p42NslmzE 