Youtube just randomly recommended Kanduki Ama to me. She has not been mentioned here before. Here is her live cover of Kanade.
https://www.youtube.com/watch?v=D5EXvZdgmkk&t=3071sSo what do you guys think about her? IMO she is decent and quite on-pitch. I guess her shortcomings would be that she lacks a decent vibrato, and other tricks that would make her singing more fancy